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: Find the variance for this data set of salaries 30, 34, 52, 48, 25, 36, 27 Round the…

A: The mean of the sample data can be obtained as:

Q: What is the mean of the data set comprising the numbers 7, 6, 5, 6 and 11?

A: Here Given Data set 7,6,5,6,11

Q: What is the variance of a set of 6 numbers: 1, 2, 3, 4, 5, 6?

A: The variance is calculated as the average of the squared differences of each number from the mean.

Q: Find the std. dev., variance, range and coefficient of variance.  Compare the coefficient of…

A: Group A:

Q: Calculate the variance of the given data set: 4, 7, 6, 3, 7,

A: Solution-: Given data set (xi): 4, 7, 6, 3, 7, 3 We want to find variance=?

Q: Find the mean for the given data, 15,3,6,18,17

A: Answer: From the given data, 15,3,6,18,17 Sample size(n) = 5

Q: Find the value of the median from the following data : 17, 15, 24, 30, 11 10, 18, 9,

A:

Q: A researcher has collected the following sample data: 3, 5, 12, 3, 2. The mean of the sample is 5.…

A:

Q: the variance of a data set is 144 and mean is 72 then coefficient of variance is

A: Given,variance(σ2)=144mean(x¯)=72

Q: Find the variance for this data set of numbers: 58,64,24,28,38,46

A: Given sample is: 58,64,24,28,38,46. Sample size = n = 6.

Q: Find the mean for the given data, 26,34,56,44,78,97,17,38,57,38

A: Answer: Given data is, 26,34,56,44,78,97,17,38,57,38 Sample size (n) = 10

Q: Find the variance for the set of data: 27, 33, 20, 25, 25. The variance is ***

A: Solution: x x2 27 729 33 1089 20 400 25 625 25 625 --- --- ∑x =130 ∑x2 =34685

Q: What is the mean of the following data set 60,52,48,32,62,45,48,52,60,48

A: Solution

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

A:

Q: Pick any 10 two-digit number of your choice and calculate the mean, variance, IQR, and range of any…

A: Let the sample be  28, 21, 22, 28, 34, 26, 57, 48, 35, 31 Sample arranged in ascending order: 21,…

Q: What is the mean of the data set comprising the numbers 7, 8, 4, 5 and 11

A: Data set: 7, 8, 4, 5 and 11 Number of observations = 5

Q: Determine the mean of the given data -14,5,3,-15,-4,1

A: The answer is given below:

Q: find population variance for given data  89,63,35,45,75,84,21,24,56,85,99

A:

Q: What is the mean of the following data: 0,0, 1, 1, 1, 2, 2, 2, 3, 3

A: Given data, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3

Q: Find the mean and variance for the given data, 12,3,5,11,8

A: From the provided information, The data values are as follow: 12, 3, 5, 11, 8 Sample size (n) = 5

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

A:

Q: What is the variance of the following data( 1, 2, 3, 4, and 5)?

A: According to the given information in this question We need to calculate the value of variance

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 the mean for the given data, 31,15,33,18,19

A: Answer: From the given data, 31,15,33,18,19 sample size(n) = 5

Q: What is the mean, variance, and standard variation of this data?

A: Data given 25,21.8,15.4,12.9,9.7,11.9,13.5,6.4,9,6.7,4.8,5,8,5.4,0.5,3.1,2,2.1,0.8

Q: Find the mean for the given data, 15,32,17,25,21,34,54,65,38,29

A: Answer: From the given data, 15,32,17,25,21,34,54,65,38,29 Sample size(n) = 10

Q: How to find the variance of a set of numbers

A: Variance:- The amount of data values spread from the mean is known as variance.

Q: find population variance for given data  12,89,77,56,95,42,63,8,5,99

A:

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: find population variance for given data  15,85,96,75,46,35,21,56,54,47

A:

Q: What is the variance of a set of 8 numbers: 3, 4, 5, 6, 7, 8, 9, 10?

A: data : 3, 4, 5, 6, 7, 8, 9, 10   no. of data (n) = 8 x x2 3 9 4 16 5 25 6 36 7 49 8…

Q: What is the variance of a set of 10 numbers: 2, 4, 4, 4, 5, 5, 7, 9, 9, 9?

A: data : 2, 4, 4, 4, 5, 5, 7, 9, 9, 9   no. of data (n) = 10   x x2 2 4 4 16 4 16 4 16 5…

Q: Find the variance for the given data, 15,3,6,18,17

A: Answer: From the given data, 15,3,6,18,17 Sample size(n) = 5

Q: For the given data. Find 24, 26, 23, 25, 27

A: