What is the variance using this equation, with the following data: 76, 88, 67, 80, 44, 65, 50, 98, 55, 45, 23, 44, 65, 78, 66, 56, 89, 76, 87, 29

Q: A: 16,17, 25, 26, 32, 34, 38, 40, 42, B: 14,16,24,28, 32, 35, 37, 42, 43, 45, 47 Test whether two…

A: Hypothesis testing is a statistical test to check whether the claim about the population parameter…

Q: Q4) The age of all the patients in isolation ward of a hospital are (33, 15, 38, 26, 13, 41, 22, 19)…

A:

Q: A college placement office sent a questionnaire to a sample of business school graduates requesting…

A: We know that variance is a measure of how distorted a data set is. It is calculated by the average…

Q: Calculate the coefficient of variation for products sold per store using this sample data 0, 77, 38,…

A: From the provided information, The data values are as follow: 0, 77, 38, -5, 44, 62

Q: What is the variance of the small DATA: 7, 13, 5, 9, 16 a. 4.47

A: The data is given as follows 7 13 5 9 16

Q: Listed below are measured amounts of caffeine obtained in one can from each of 14 brands. Find the…

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Q: Suppose the profit margins for eight big companies are 14 %, 9 %, 8 %, 10 %, 12 %, 5 %, 7 %, and 6…

A: Formula : sample variance :

Q: In a series of 5 observations, the values of mean and variance are 4.4 and 8.24. If three…

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Q: What is the variance of following scores: 24, 35. 22, 33, 40, 23, 20, 19, 17?

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Q: There are three children aged 3, 4, and 5 in a room. If another 4-year-old child enters the room,…

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Q: What term is used to explain the natural difference between a sample mean the overall population…

A: What term is used to explain the natural difference between a sample mean the overall population…

Q: Find the mean and standard deviation for the following:…

A: a)Mean: The Mean is 1.41

Q: Calculate the variance products sold per store using this sample data 0, 77, 38, -5, 44, 62

A: Given data is,0, 77, 38, -5 , 44,  62sample size(n)=6

Q: find sample variance for given data  20,15,14,6,35,8,25,29,4,25,26,27,9,6,28,16,

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Q: How do I find the variance for a sample of 15Numbers given are…

A: Here a sample of 14 data points are given it was mentioned as 15 in question. We need to compute the…

Q: mean, mode, median, midrange, range, variance and standard deviation (Use Shortcut Formulas for…

A: Given data  1, 3, 8, 32, 33, 5, 23, 37, 24 Arrange the given data in increasing order. 1, 3, 5, 8,…

Q: Find the variance of the number of storms in August.

A: X: Number of thunderstorms in August.

Q: Find the variance of the set of sample data . 55, 53, 76, 52, 91, 98

A: Sample size = n = 6

Q: which data set has the highest variability?  3,3,4,4,4,2,3 1,1,1,1,1,2,2,7…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: Find the vAriance of the sample data: 191, 215, 76, 262, 93, 163, 162, 268

A: Measure of dispersion measures the spread of the data. Standard deviation indicates how much the…

Q: To draw a boxplot, we need precisely which of the following mean, variance, outliers median, first…

A: In this case, we need to identify the suitable answer for the given statement.

Q: The sample mean and sample variance  of five data values are, respectively  13.6 and 25.8.If three…

A: Given that mean =13.6 and sample variance is 25.8. The three data values are 7,13 and 20.…

Q: d sample variance   4,5,8,9,11,15,16,18,19,2

A: Given data, 4,5,8,9,11,15,16,18,19,22 find sample variance

Q: The amount spent on textbooks for the fall term was recorded for a sample of five university…

A: According to the provided information, the data are $400, $350, $600, $525, and $450

Q: Calculate coefficient of variation from the following data: 25, 27, 30, 32, 32, 40, 45, 46, 47, 48

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Q: find sample coefficient of variation   2.5,2.6,2.8,3.5,2.9,3.4,3.1,3.2,3.6

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Q: The ages of a group of friends are listed: 41, 26, 54, 36, 21, 42, 48, 42. Using the given sample…

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Q: what is the  z score of 128,101,116,119,131 when the mean is 119 and variance is 36

A: It is given that  Mean, μ = 119 Variance, σ2 = 36 Standard deviation, σ = 6 Z-Score, Z = ( X - μ )/σ

Q: Find the variance and standard deviation of the set. {68, 48, 65, 38, 52, 71, 41, 46, 54, 67, 44,…

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Q: What is the variance of the data set 14,23,9,12,21,18,8

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Q: The following data set represents the ages of 6 of Angela's 26 grandchildren. Find the variance for…

A: It is given that the data set represents the ages of 6 of Angela’s 26 grandchildren. The given data…

Q: find sample coefficient of variation   20.2,20.6,20.5,21.8,21.6,21.0,21.4,20.5,20.8,20.9,21.0

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Q: Compute for Quartile Deviation, Variance, and Coefficient of Variation 12, 24, 25, 25, 19, 19, 24,…

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Q: for givendata   2.12,3.45,6.15,2.54,1.23,5.02,4.05,5.20,3.25,4.25

A: The given data is 1.23, 2.12, 2.54, 3.25, 3.45, 4.05, 4.25, 5.02, 5.20, 6.15

Q: Students from TarlacElementarySchool got scores of91, 91, 99, 94, 94, 92, 93, 92, 94, 95, 89, 92,99,…

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Q: Your grandmother listens to the radio every Sunday morning. Sometimes on K-Lite, sometimes on…

A: Radio - it is a device to listen programs.

Q: find sample variance for given data 12,15,4,69,85,6,56,89,6,47

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Q: Using the same set of scores (10, 15, 12, 18, 19, 16, and 12), the variance is

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Q: The age of all the patients in isolation ward of a hospital are (33, 15, 38, 26, 13, 41, 22, 19)…

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Q: hat is the population variance of these numbers? 1,3,3,4,6,7

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Q: What is the variance of the data set 14,23,9,12,18,8

A: Given Data :  XX 14 23 9 12 18 8 Below table will be used to calculate variance :…

Q: Compute the sample variance for y = {2,26,24,40,-12,-6,10,28}

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Q: Find the sample standard deviation. 2, 6, 15, 9, 11, 22, 1, 4, 8, 19 Send data to Excel O 2.1 0 7.1…

A: Ans - Given the following data2,6,15,9,11,22,1,4,8,19Find sample standard deviation x x2 2 4…

Q: A college placement office sent a questionnaire to a sample of business school graduates requesting…

A: mean x=sum of observation total number of observation =∑xin variance σ2 =∑(xi-x)2n-1

Q: Ten students took their practical exam in Science. Out of 50 items ,they obtained the following…

A: Given : scores(x):  44, 49, 42 , 25 , 29 , 21 , 39 , 40, 47 , 45

Q: 4) Find the average mark(mean)  5) How many students are below the average mark?  6) Find variance…

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Q: What is sample coefficients of variation

A: Measures of variability:The measure of variability or the measures of dispersion can be measured…