Calculate the arithmetic mean, variance, and the coefficient of variation for the given data: Marks 31-35 36-40 41-45 46-50 51-55 56-60 61-65 Obtained Number of 5 12 25 30 25 12 5 students

Q: Consider the data set 8 3 5 6 9 6 2 7 Find the average (mean): Find the median:

A: Step 1: Given data set is: 8, 3, 5, 6, 9, 6, 2, 7We have to find the average (mean) and median of…

Q: The following refer to the following data set: 52 80 80 86 88 72 20 42 35 26 71 What is the mean…

A: Number of samples (n) = 11 X 52 80 80 86 88 72 20 42 35 26 71 Round to one decimal place.

Q: Calculate the median of data

A:

Q: Calculate the mean of this data set. {8, 3, 5, 12} 1

A:

Q: Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given…

A: PART A SOLUTION:Step 1: List and identify the number of scores15, 26, 89, 80, 37, 83, 73, 72, 32,…

Q: Calculate the range, population variance, and population standard dev espectively, for the following…

A: Answer Given,-5, 6, 3, -5, -7, -7, 8, -25The sample size [n] = 8

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: The following refer to the following data set: 91 70 68 66 25 70 56 62 82 100 What is the mean () of…

A: Solution : Let X: given data X = 91, 70, 68, 66, 25, 70, 56, 62, 82, 100  n = 10 a) Mean of data set…

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: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to…

A: mean =sum of observationtotal number of observation            =53+13+41+9+10+6+35+258…

Q: A population consists of the following four values: 12, 12, 14, and 16. a. List all samples of size…

A: A population consists of four values: 12, 12, 14, and 16.

Q: The following data set belongs to a population: 5 -7 2 0 -9 16 10 7 Calculate the mean,median and…

A: Data Set -  5, -7, 2, 0, -9, 16, 10, 7 Total number of data values = n = 8

Q: Professor Pete’s calculus class has the following scores: 19   21   31   32   37   45   52   55…

A: Given, The scores are 19, 21, 31, 32, 37, 45, 52, 55, 62, 63, 63, 65, 65, 77, 78 Formula of Mean for…

Q: 2. the following are the daily salaries of a group of employees. Daily Salary P 300 – 399 P 400 –…

A: Given Data :  Class Frequency 300 - 399 2 400 - 499 3 500 - 599 10 600 - 699 15 700 -…

Q: 1. Find the mean, median and variance for the following data set. 15, 10, 13, 7, 9, 8, 21, 9, 14, 8

A: Provided data is: 15, 10, 13, 7, 9, 8, 21, 9, 14, 8. Mean is sum of observations divided by number…

Q: Find the mean, median, variance, and the interquartile range of the following data: 1.58 2.51 4.04…

A: Given data is1.58,2.51,4.04,2.2,6.43,5.19,1.58,4.32sample size(n)=8

Q: Q3. Find the range, mean, variance, and standard deviation of the sample data set. 4 15 9 12 16 8 11…

A: Given data, 4,15,9,12,16,8,11,19,14

Q: Find the five-number summary for the following data set. 8 2 8 8 7 5 8 6 4 1   Min Q1 Median Q3…

A: Given data is, Value 8 2 8 8 7 Frequency 5 8 6 4 1 From the we can write as,  2 2 2 2 2 2 2…

Q: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to…

A: we have to find out the mean , median and mode for the given data.39,30,6,25,9,21,28,10data arrange…

Q: Find the variance for the following data 72,62,52,45 Round to three decimal places

A: Answer: Given data is, 72,62,52,45 Sample size (n) = 4

Q: These data are the number of on-campus burglaries reported in a given year for nine western…

A:

Q: For the data set 4 6 8 10 12 the mean is

A: Given data set:  4, 6, 8, 10, 12