Listed below are the playing times (in seconds) of 16 popular songs. Find the range, variance, and standard deviation for the set of data. Does the standard deviation change much if the longest playing time is deleted?

Q: The ages​ (in years) of a random sample of shoppers at a gaming store are shown. Determine the​…

A:

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: Find the mean, 80th percentile and standard deviation: 2,-3,7,5,-2,3

A: Solution-: Given data: 2,-3,7,5,-2,3 We want to find, (a) The mean=? (b) The 80th percentile=? (c)…

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

Q: The average daily points for my fantasy baseball team are {4.1, 5.7, 3.8, 4.7, 4.7, 5.5, 4.1, 2.7,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: Task-3. How variance and standard deviation is calculated in the grouped data. Write formulas and…

A: Data that is presented in the form of class intervals, such as 50-60, 60-70, and so on, is referred…

Q: find the mean, mode, median, midrange, range, mean deviation, variance, and standard deviation for…

A: mean = 31.5mode = 24median = 24midrange = 38range = 48mean deviation = 12.25variance =…

Q: A football kicker makes 70% of his field goals. If he attempts 20 field goals, determine the mean…

A: Determine the mean number of field goals made by football kicker. From the information, given that a…

Q: Find the mean for the given data, 14,25,17,19,34

A: Answer: From the given data, 14,25,17,19,34 Sample size(n) = 5

Q: alculate the median of the data shown, to two decimal places, 24.4,11.1,2.1,29,8.7,6.9,6.6,1.1

A: The given data is 24.4,11.1,2.1,29,8.7,6.9,6.6,1.1

Q: The side-by-side dotplot below displays the arm spans, in centimeters, for two classes. Which…

A: Stem and leaf is the graphical representation of the data. Here we divide the data into two parts…

Q: Find the means, variance, and standard deviation.  Data: 10, 60, 50, 30, 40, 20,25

A: We have given that,  X :- 10, 60, 50, 30, 40, 20, 25 Then,  We will find the Mean, Variance and…

Q: Calculate the measures of central tendency (mean, median, and mode) and the measures of dispersion…

A: In given data there are only 28 observations  x arranged 30 16 21 16 35 19 40 20 25 20…

Q: 10 297002 s sall.m 3. Find the mean, variance and standard variation (Do not use calculator 1, 2, 3,…

A: 1, 2, 3, 4, 6, 8, 12 Sample size n =7

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 range of the following dataset.

A: The given data set in ascending order (sorted) is :-3,7,9,16,21,23,29,34,35,46We have to find the…

Q: a. Assuming that the variances in the population of times spent on the website per day are equal, is…

A: The test is to check whether there is a difference in the mean time spent on the website per day…

Q: Find the mean and median for the grouped data.

A: The mean and median are the types of average. Mean is the mathematical average and median is the…

Q: 6. The following data give the number of new cars sold at a dealership during a 12-day period 13, 5,…

A: see

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, mode, median and standard deviation, variance, frequency histogram and cumulative…

A:

Q: Use the following values to answer question: 2, 4, 6, 5, 7, 3 What is the population variance?

A: The values are 2, 4, 6, 5, 7, 3.

Q: Fill in the following blank with either the word within or between: The arrows are pointing to which…

A: The arrows are pointing to which type of variance in the data:

Q: A data set {19, 5х, 14, 8, Зх, 29} has a mean of 25. Find the median of the data

A: Find the median of the data set.

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: 3. Compute for the following, given these data: 132, 144, 127, 152, 101, and 165. a. Coefficient of…

A: Provided data is:132, 144, 127, 152, 101 and 165.Arranging data in ascending order; 101, 127, 132,…

Q: Find the variance for the data set 34,76,53,87,62

A: From the provided information, The data values are as follow: 34, 76, 53, 87, 62 Sample size (n) = 5

Q: A teacher gave a quiz to his Mathematics class. Eight of the students scored: 73, 82, 64, 61, 63,…

A: 73, 82, 64, 61, 63, 52, 73, 70 Given Median=Q2=67, Q1=61, Q3=73

Q: Find the mean, median and mode of given data 9,5,8,9,9,7,8,9,8

A: Given data is ,9,5,8,9,9,7,8,9,8Arrange the given data in ascending order5,7,8,8,8,9,9,9,9

Q: Find the mean, variance, and standard deviation for the data set. 6, 13, 7, 3, 11, 9, 15, 4, 17, 15

A: Given that :  6,13,7,3,11,9,15,4,17,15. We find mean, variance and standard deviation.

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: Find the range, mean, variance, and standard deviation of the population data set. The numbers of…

A: Given n=11

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: Calculate the mean, median, mode, range and standard deviation of the data: -5, -3, -3, 1, 9

A: We have given data 5, -3, -3, 1, 9 We have to make the following table to compute median, mode,…

Q: Yi = 5,25,50,100,200.

A:

Q: Find the mean for the following data, 5,12,23,18 and 13

A: Answer, From the given data, 5,12,23,18,13

Q: Calculate the Mean, Median, and Mode of the following set of values respectively. 1,2,2,2,3

A: From the provided information, Data values are as follow: 1, 2, 2, 2, 3 Number of observations (n) =…

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: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given data set is 157, 158, 163, 167, 170

Q: The heights, in inches, of the four members of a barbershop quartet of singers are listed below.…

A: The value of mean is obtained below:

Q: Four of your classmates measured the diagonal length of the blackboard. Classmate A measured it as…

A:

Q: Calculate the variance for the data set. Show all of your steps. {4, 16, 21, 32, 11, 12}

A: