Further statistical computation will be needed
mean
mode
median
Answers
By performing these statistical computations, you can analyze and interpret the central tendency of your dataset, which helps in understanding the overall pattern and distribution of the data.
It looks like you're seeking information on further statistical computation related to mean, mode, and median.
To calculate the mean, mode, and median of a dataset, follow these steps:
1. Mean: The mean is the average of all data points in a dataset.
- Step 1: Add up all the data points.
- Step 2: Divide the sum by the total number of data points.
2. Mode: The mode is the data point that occurs most frequently in a dataset.
- Step 1: Count the frequency of each data point.
- Step 2: Identify the data point(s) with the highest frequency.
3. Median: The median is the middle value in a dataset when the data points are arranged in ascending order.
- Step 1: Arrange the data points in ascending order.
- Step 2: If there is an odd number of data points, the median is the middle value. If there is an even number of data points, the median is the average of the two middle values.
By performing these statistical computations, you can analyze and interpret the central tendency of your dataset, which helps in understanding the overall pattern and distribution of the data.
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a. The most typical case is desired: Mode. The mode is a useful measure of central tendency when the most typical or common value is of relevance since it denotes the value or category that occurs most frequently in a data collection.
b. The distribution is open-ended: Median. The median is the middle value in a data set when arranged in ascending or descending order. It is a suitable measure of central tendency when the distribution is open-ended or skewed, as it is less affected by extreme values compared to the mean.
c. The data collection has an extreme value: the median. The median is less sensitive to extreme values compared to the mean, making it a better measure of central tendency in data sets with extreme values or outliers.
d. The data are categorical: Mode. The mode is appropriate for categorical data, as it represents the most frequently occurring category or value in the data set.
e. Further statistical computations will be needed: This statement does not indicate a specific measure of central tendency. Further statistical computations may be needed to determine the appropriate measure of central tendency depending on the characteristics of the data and the specific objectives of the analysis.
f. The numbers should be split into two roughly equal groups, one of which should contain the higher values and the other should contain the smaller values: Median. The median is the value that separates a data set into two equal halves, making it suitable for dividing data into two approximately equal groups based on their values.
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COMPLETE QUESTION-
For these situations, state which measure of central tendency - mean, median, or mode-should be used.
a. The most typical case is desired.
b. The distribution is open-ended.
c. There is an extreme value in the data set.
d. The data are categorical.
e. Further statistical computations will be needed.
f. The values are to be divided into two approximately equal groups, one group containing the larger values and one containing the smaller values.
Related Questions
//PLEASE HELP\\
WILL GIVE BRAINLIEST
The town of Easy is mapped on a coordinate grid with the origin being at the statue before City Hall. KFC is located at the point (3, 7) and McDonalds is located at (-3, 7).
How far is it from KFC to McDonald?
A.5
B.6
C.89
D.36
Answers
Answer: It should be B.
Step-by-step explanation:
from the fictitious study of gender and ear piercing in high school students. what can we conclude? check all that apply group of answer choices the sample provides evidence that is too weak to conclude that gender and ear piercing are dependent in the population of high school students. gender and ear piercing for high school students may be independent. the sample provides strong evidence that gender and ear piercing for high school students are dependent. the differences between observed and expected counts are statistically significant. the differences between observed and expected counts could be attributed to chance variation that occurs in random samples of high school students when gender and ear piercing are independent. conditions are not met for use of the chi-square test of independence. therefore, we cannot draw a conclusion based on this data.
Answers
Based on the fictitious study of gender and ear piercing in high school students, we can conclude that the sample provides evidence that is too weak to conclude that gender and ear piercing are dependent in the population of high school students. Gender and ear piercing for high school students may be independent.
The study did not provide strong evidence that gender and ear piercing for high school students are dependent. In addition, the differences between observed and expected counts could be attributed to chance variation that occurs in random samples of high school students when gender and ear piercing are independent.
Therefore, the conditions are not met for use of the chi-square test of independence, and we cannot draw a conclusion based on this data.
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7/2x + 1/2x = 2 1/2 + 9/2x
solve.
Answers
Answer:
x = -121
Step-by-step explanation:
(7/2)*x+(1/2)*x = (9/2)*x+121/2 // - (9/2)*x+121/2
(7/2)*x+(1/2)*x-((9/2)*x)-(121/2) = 0
(7/2)*x+(1/2)*x+(-9/2)*x-121/2 = 0
-1/2*x-121/2 = 0 // + 121/2
-1/2*x = 121/2 // : -1/2
x = 121/2/(-1/2)
x = -121
Twenty-four is ___% of 80
Answers
Answer:
30
Step-by-step explanation:
Answer:
30
Step-by-step explanation:
i really don't have a method for this, just try a number you think is close, go up, or down depending on the number
For each 600 units of product manufactured, a certain process yields 422 conforming units, 78 are scrapped, and 100 that must be reprocessed. Each unit scrapped results in a R1,300 loss and each reprocessed unit requires 0.25 hours of extra processing time, where an hour of processing time costs R246.26 per unit. The resource time of producing the original 600 units is 18 hours. Use the given information to calculate the following: 2.1.1 The scrap cost 2.1.2 The reprocessing time 2.1.3 The reprocessing cost 2.1.4 The productivity per hour without reprocessing 2.1.5 The productivity per hour with reprocessing
Answers
Based on the given information, we can calculate several metrics including the scrap cost, reprocessing time, reprocessing cost, productivity per hour without reprocessing, and productivity per hour.
The scrap cost can be calculated by the number of scrapped units (78) by multiplying the cost per unit (R1,300).
The reprocessing time can be calculated by multiplying the number of units that must be reprocessed (100) by the additional processing time per unit (0.25 hours).
The reprocessing cost can be calculated by multiplying the reprocessing time (by the cost per hour of processing time (R246.26).
The productivity per hour without reprocessing can be calculated by dividing the number of conforming units (422) by the resource time of producing the original 600 units (18 hours).
The productivity per hour with reprocessing can be calculated by dividing the number of conforming units (422) by the total time spent on production, which includes the resource time (18 hours) and the reprocessing time.
By performing these calculations, we can determine the scrap cost, reprocessing time, reprocessing cost, productivity per hour without reprocessing, and productivity per hour with reprocessing, providing insights into the efficiency and costs associated with the manufacturing process.
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Is this a function or not a function?
(6, 3) (5, 3) (4, 3) (3, 3)
Answers
Jan'ai was asked to determine the minimum for a function with zeros located at –1 and 5, which also has a y-intercept of (0, –25). her work is shown. which best describes the first error in jan'ai's work? she incorrectly determined the factors for the beginning function. she incorrectly determined the a value. she incorrectly transformed the equation to standard form. she incorrectly determined the x-coordinate of the vertex.
Answers
The first error in Jan'ai's work in determining the considered function is given by: Option D: She incorrectly determined the x-coordinate of the vertex.
What are the coordinates of vertex for a quadratic function?For a quadratic function of the form \(y = ax^2 + bx + c\), its vertex form is obtained as:
\(y = ax^2 + bx + c\\y =a(x^2 + bx/a) + c\\y = a(x^2 + 2(b/2a)x + (b/2a)^2 -(b/2a)^2 )+ c\\y = a(x^2 + 2(b/2a)x + (b/2a)^2) -a \times (b/2a)^2 + c\\\\y = a(x+b/2a)^2 - a \times (b/2a)^2 + c\)
For the form \(y = a(x-h)^2 + k\), the vertex has coordinates (h, k)
Thus, for the obtained equation \(y = a(x+b/2a)^2 - a \times (b/2a)^2 + c\), we get the coordinates of vertex as:
\(h = -b/2a\), \(k = c - a\times(b/2a)^2\)
Thus, the coordinates of vertex of \(y = ax^2 + bx + c\) is:
\((h,k) = (-b/2a, c - a \times (b/2a)^2 )\)
The missing steps of work of Jan'ai are:
Begin to write a function in factored form. \(f(x) = a(x+1)(x-5)\)Substitute x = 0, y = f(x) = -25 to determine a. \(-25 = a(0+1)(0-5)\)Simplify and solve to find a. \(a=5\)Rewrite the function. \(f(x) = 5(x+1)(x-5)\)Rewrite in standard form. \(f(x) = 5x^2-20x-25\)Find the x-coordinate of the vertex. \(x = -20/2(5) = -20/10; x = -2\)Find the y-coordinate of the vertex.\(y = 5x^2-20x-25\)
\(y = 5(-2)^2-20(-2)-25\)
\(y = 35\)
so (-2,35) is the coordinate of the vertex, which denotes the minimum.
So, as we see, in the 5th step, Jan'ai had the quadratic function \(f(x) = 5x^2-20x-25\),
Comparing this to \(f(x) = ax^2 + bx + c\), we get a = 5, b = -20, c = -25
The vertex's x-coordinate will be on -b/2a = -(-20)/ 2(5) = 20/10 = 2
But Jan'ai didn't putted that negative sign before b. in the 6th step.
Thus, the first error in Jan'ai's work in determining the considered function is given by: Option D: She incorrectly determined the x-coordinate of the vertex.
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Answer:
The answer is D on edge
Step-by-step explanation:
PLS HELP ON THIS 50-(-20)
Answers
Write a numerical expression to the model above. ( Chris initially Has 450 dollars in his account, and then writes three checks worth 200, as payments for his car
Answers
The expression that represents the model is 450 - 200
How to determine the expression?The given parameters are:
Initial = 450
Check = 200
The balance after the 3 checks is:
Balance = 450 - 200
hence, the expression that represents the model is 450 - 200
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Determine which formula for standard error applies, and then calculate the standard error. (Use at least 3 decimal places after the zeros end.)N = 500, n = 44, p = 0.45Group of answer choices0.02220.01130.4760.0750.06850.0717
Answers
The formula for standard error that applies to this problem is SE = sqrt[p(1-p)/n], where SE represents the standard error, p represents the probability of success, and n represents the sample size. In this case, N represents the population size, but it is not necessary for calculating the standard error.
Substituting the values given in the problem, we have:
SE = sqrt[0.45(1-0.45)/44] = 0.0717 (rounded to four decimal places)
Therefore, the standard error for this problem is 0.0717. This value represents the degree of variability or uncertainty in the sample proportion, or the degree to which the sample proportion is likely to deviate from the true population proportion. A larger sample size or a more extreme probability of success (closer to 0 or 1) would result in a smaller standard error, indicating greater precision in the estimate of the population proportion.
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1 pointIf A=(-1-7,0) and B(-8,8-10), find ||AB||. Round to 3 decimal places.Type your answer.
Answers
Basically we need to find the distance between A and B, so:
\(\begin{gathered} \mleft\Vert AB\mright||=d=\sqrt[]{(x2-x1)^2+(y2-y1)^2+(z2-z1)^2} \\ where \\ A=(x1,y1,z1)=(-1,-7,0) \\ B=(x2,y2,z2)=(-8,8,-10) \\ \Vert AB||=\sqrt[]{(-8-(-1))^2+(8-(-7))^2+(-10-0)^2} \\ \Vert AB||=\sqrt[]{49+225+100} \\ \Vert AB||=\sqrt[]{374} \\ \Vert AB||\approx19.339 \end{gathered}\)Determine if the expression -c2 + 2c4 is a polynomial or not.
Answers
Answer:
5
Step-by-step explanation:
Can someone please help me?
Answers
Answer:
31.8°
Step-by-step explanation:
sin x = 39/74
x = arcsin(39/74), which is about 31.8°.
Cars enter a car wash according to a poisson process at a mean rate of 2 cars per half an hour. what is the probability that, in an hour, at least 4 cars will enter the car wash?
Answers
The probability that, in an hour, at least 4 cars will enter the car wash is 0.94.
What is probability?It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.
It is given that:
Cars enter a car wash according to a Poisson process at a mean rate of 2 cars per half an hour.
Here the value of λ is:
λ = 2 cars/half an hour
λ = 4 cars/hour
The probability that, in an hour, at least 4 cars will enter the car wash:
P(x = 4) = 4⁴e⁻⁴/5
After solving:
P(x = 5) = 0.937 ≈ 0.94
Thus, the probability that, in an hour, at least 4 cars will enter the car wash is 0.94.
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(1/7x + 3/8) + (2/9x - 1/8)
Answers
A study by a business professor at Arizona State University showed that, on average, his students' grades went down one full grade for every __________ classe(s) they missed.
Answers
A study by a business professor at Arizona State University found that students who missed two classes had grades that were one full letter grade lower than those who attended all classes. This suggests that attending class is essential for academic success.
There are a few reasons why missing class can lead to lower grades. First, students who miss class may miss important information that is covered in lectures. Second, they may miss opportunities to ask questions and get help from the professor. Third, they may fall behind on assignments and readings.
To avoid falling behind, it is important to attend all classes. If you must miss class, be sure to get notes from a classmate and ask the professor for any missed assignments or readings. By attending class and staying on top of your work, you can improve your chances of academic success.
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Complete question:
A study by a business professor at Arizona State University showed that, on average, is students' grades wet down one full grade for every _ classes they missed.
a. one
b. two
c. three
d. four
Find the arc length and show work!
- Marking brainliest
Answers
Answer:
87.965 in.
Step-by-step explanation:
1) the formula of full arc is L=2π*r, the formula of the required 7π/4 is:
L=7π/4 *r;
2) according to the formula above:
L=7π*16/4=28π≈87,964594300514210676954014731826 (in).
consider these functions: f(x)= 1/3x^2 +4g(x)=9x-12 what is the value of g(f(x))
Answers
Answer
Explanation
Given:
\(\begin{gathered} f(x)=\frac{1}{3}x^2+4 \\ g(x)=9x-12 \end{gathered}\)To determine the value of g(f(x)), we substitute x with 1/3x^2+4 for g=9x-12:
\(\begin{gathered} g(x)=9x-12 \\ g(\frac{1}{3}x^2+4)=9(\frac{1}{3}x^2+4)-12 \\ Simplify \\ =3x^2+36-12 \\ =3x^2+24 \end{gathered}\)Therefore, the value of g(f(x)) is C:
\(\begin{equation*} 3x^2+24 \end{equation*}\)The volume of a cone is 45.3 cubic cm. B=40 Find the height.
Answers
The height of the cone is 3.4cm
What is volume of cone?A cone is a shape formed by using a set of line segments or the lines which connects a common point, called the apex or vertex.
The volume of a cone is expressed as;
V = 1/3 πr²h
where πr² = base area. therefore the volume can be written as;
V = 1/3 base area × height
base area = 49cm²
height = 45.3 cm³
45 = 1/3 ×40h
135 = 40h
h = 135/40
h = 3.4cm
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Suppose you write and solve an equation to determine the amount of money m you have in your bank account after several weeks. You find that m equals negative 36. Choose any of the following interpretations of this value that are correct.
Answers
Therefore , the solution of the given problem of equation comes out to be it mean that you owe 36 amount of money to bank.
What or who is the equation?When the equals sign (=) is used to denote equality, an algebraic theorem resembles a rule joining two statements. An algebraic equation is a factual assertion that shows the equivalence of multiple numerical variables. The values ob d + 6 and 12 are separated by an equal sign in the calculation data logger + 6 = 12. The number of syllables that correspond to each side of each letter can be expressed numerically. The message of a symbol is frequently its complete opposite.
Here,
Given :
After a few weeks, you create and calculate an equation
so determine how much money is in your bank account.
M equals -36, as you discover.
Thus,
It mean that you owe 36 amount of money to bank.
Therefore , the solution of the given problem of equation comes out to be it mean that you owe 36 amount of money to bank.
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What equation is equivalent to 2+3(2x+4)=13
Answers
Answer:
14+6x=13, or further 1+6x=0
Step-by-step explanation:
2+3(2x+4)=13,
Distribute the 3 into the parenthesis:
2+6x+12=13
Now combine like terms: 14+6x=13.
You can also write this as 1+6x=0 by subtracting 13 to the left, though it might not be necessary.
How did the temperature change? First, it increased by 5 percent and then it increased by 20 percent
Answers
Answer:
The temperature increased by 15%
3) a baseball team had 80 players show up for tryouts last year and this year had 96 players show up for tryouts. find the percent increase in players from last year to this year.
Answers
The percent increase in players from last year to this year = 20%
We know that the formula for the percentage change a quantity is :
(P) = [Final value - Initial value] / Initial value x 100
Here, a baseball team had 80 players show up for tryouts last year and this year 96 show up for tryouts.
initial number of players = 80
current number of players = 96
So, using above formula the percent increase in players is:
P = [(96 - 80) / (80)] x 100
P = (16 / 80) x 100
P = 0.20 x 100
P = 20%
Therefore, the percentage of increase in players = 20%.
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help pls <3
a1 = −3/2
an = an−1 + 1/2
What is a9?
Answers
Answer:
2 1/2?
Step-by-step explanation:
I'm not very sure but I tried Xb
4 1/8 divided by what equals 2 1/6
Answers
Answer:
\(\frac{41}{28}\)
I hope this helps!
How can i learned maths hardly?
Answers
Learning math can be a challenging task, but with persistence, hard work, and effective study strategies, it is definitely possible to improve your math skills.
Some tips that may help you learn maths quickly and efficientlyStart with the basics: Make sure you have a good foundation in basic math concepts before moving on to more advanced topics. Practice basic arithmetic, fractions, decimals, and percentages until you feel comfortable with them.
Focus on understanding, not just memorizing: Math is not just about memorizing formulas and equations; it's about understanding how and why they work. Focus on understanding the underlying concepts and principles.
Practice regularly: The more you practice, the better you will get. Try to set aside some time each day to practice math problems. This will help you build your skills and improve your understanding.
Use multiple resources: Don't just rely on one textbook or resource. Use multiple resources such as online tutorials, videos, practice problems, and textbooks to get a well-rounded understanding of the topic.
Seek help when needed: Don't hesitate to ask for help if you are struggling with a particular topic. You can reach out to a teacher, tutor, or online community for help.
Stay motivated: Math can be challenging, but it's important to stay motivated and not give up. Keep a positive attitude, celebrate your successes, and remember that every mistake is an opportunity to learn and grow.
Remember that learning math takes time and effort, so don't get discouraged if you don't see immediate results. With persistence and hard work, you can become proficient in math.
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Estimate and then compute the product check that your answer is reasonable
759 x 68
Answers
The estimate of the product is reasonable
How to estimate and then compute the product check that your answer is reasonable?The product expression is given as
759 x 68
As an estimate, we have
759 - 760
68 = 70
So, we have:
759 x 68 = 760 * 70
Evaluate the product
759 x 68 = 53200
For the actual product, we have
759 x 68 = 51612
The estimate and the actual product both approximate to 50000
Hence, the estimate of the product is reasonable
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he degree to which a scale appears, on the surface, to measure the intended variable is referred to as
Answers
Face validity refers to the degree to which a scale appears, on the surface, to measure the intended variable accurately. It is an initial assessment based on the subjective judgment of the relevance and appropriateness of the scale items in capturing the construct being measured.
Face validity is an initial assessment of whether a measurement scale appears to measure what it intends to measure. It is based on subjective judgment and does not involve rigorous statistical analysis. Face validity is determined by considering whether the items or questions in a scale seem relevant and appropriate in capturing the construct being measured. It focuses on the appearance and surface-level understanding of the scale.
While face validity provides a preliminary indication of measurement accuracy, it is important to note that it is not a strong indicator of true validity. Face validity does not guarantee that a scale is actually measuring the intended construct accurately or reliably. Other types of validity, such as construct validity and criterion validity, are necessary to establish the true measurement properties of a scale.
In conclusion, face validity is the initial impression or perception of whether a scale appears to measure the intended variable, but further validation is required to ensure accurate and reliable measurement.
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Which of these expressions is equivalent to 30b2?
A 3b + 10b
B 3b. 10b
c9b +21b
D 9b21b
Answers
Answer:
B) 3b. 10b
Step-by-step explanation:
B) 3b. 10b = (3x10)(bxb) = 30b²
Mike paid $\$1.25$ for a stamp three years ago. He was just offered double that amount for the stamp. Assuming the stamp's offer price doubles every three years, how many dollars will he be offered in 12 more years
Answers
Answer: $40
Step-by-step explanation:
If the worth of the stamp is double that of its original price 3 years ago ($1.25), the current price of the stamp should be $2.50. If that doubles every 3 years the answer should look something like this:
3 years: $5 (2.50X2=5)
6 years: $10 (5X2=10)
9 years: $20 (10X2=20)
12 years $40 (20X2=40)
In 12 years the stamp will be worth $40.