The average number of newspapers for sale in an airport newsstand is 12, and the variance is 25. The average age of the pilots is 37 years, with a variance of 36 years. Which data set is more variable?

Q: I'd you chose to compute a median for a variable, which measure of variability would you most likely…

A: Introduction: It is required to identify the measure of variability that is most likely to be…

Q: # 2 1) The data shows a positive correlation Which statement is 100 90 80 2) The data has an…

A: Statement (3) is correct. The dtaat shows a negative correlation.

Q: The question is which box plot has the greatest variability and which box plot has the least…

A: Basics of a boxplot:A boxplot is based on the 5-number summary: (Minimum, Q1, Median, Q3, Maximum);…

Q: x y 1.42 -0.31 4.22 8.86 9.16 26.03 7.92 21.68 9.59 27.96 Find estimates for the regression model y₁…

A: To find out the regression estimate, we need to perform Regression Analysis.  For this we will use…

Q: Which variable, mean or median, is the better representation of the center for this data set? Why?…

A: Introduction: As you have specifically asked whether it is better to use the mean or the median for…

Q: The variance of the data :. 6 ,6 ,-6,-6 is equal to

A: Find variance of the data  6 ,6 ,-6,-6

Q: You have a dataset with a mean of 2, median of 3 and variance of 9.  What is the skewness?

A: Given that  Mean = 2 , Median = 3 , Variance = 9

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

A:

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

A: X: Number of thunderstorms in August.

Q: The number of students in a classroom would be considered which type of data.

A: It is needed to find the type of data for the number of students in a classroom.

Q: Given the data set, show how the variance and z-score of each grade is found.

A: Variance is the measure of dispersion. It provide the deviation of data set from the mean. It is…

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: Refer to the data in images.  Test for a significant difference in the variances of the initial…

A: Solution: It is asked to test the claim that is there a significant difference in the variances of…

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: Give an example of a data set whose mean is greater than its median.

A: Let a data set is 25, 8, 9, 4 and 52.Mean:

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

A: The answer is given below:

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: The prices of an airline flight from New York City to Los Angeles on September 7, 2013 around 8…

A: a.Mean:

Q: The colour of a car would be considered which type of data

A: There are two types of data: Quantitative and Qualitative. Quantitative data consists of numerical…

Q: onsider a data set: 1, 2, 5, 6, 7, 6. Find the range, variance, and standard deviation for this data…

A: the given data is  x=1, 2, 5, 6, 7, 6

Q: Which data set has the smallest variation?

A: Interquartile range: Interquartile range is used to find the difference between first and third…

Q: A local college newsletter reported that the average American college student spends one hour (60…

A: Let X1 be the daily time spent (in minutes) on the website for 30 males and X2 be the daily time…

Q: Use the coefficient of variation to determine whether coffee prices or gasoline prices were more…

A: The formula for coefficient of variation is, CV = (σ/µ ) × 100%, where σ is the population standard…

Q: The scatter plot shown would seem to indicate which type of data association

A:

Q: In data analysis, which of the two will you consider the most: Mean or variance? Discuss.

A: Mean is a central tendency,  sum of a collection of numerical data divided by the count of data in…

Q: what is the mean of the data set?

A: Given data set is,123, 98, 113, 106, 147, 48, 117, 101, 19, 113, 57, 24, 140, 176, 51, 129, 84, 47,…

Q: * 2.4.5.6-8-17 11 17 20 24 32 Xị 3 5 9 3 fi 1. 4) 5n 00

A: As per our guidelines we are suppose to answer only one question1)Given data set is…

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: Find the variance for the set of data: 27, 31, 22, 25, 25. The variance is 0.

A: We have:-   population data set contain 5 numbers given as follows:- 27,31,22,25,25   To find :-…

Q: Frequency 2 1 0 Customer Combo Orders 1 2 Combo 3

A: Calculate mean from the given data

Q: Erin is married to Glen Mills. Erin earns an income of 500. Glen earns 400. Glen and Erin live with…

A:

Q: The owner of a small company employs 6 people. As part of their personnel file, she asked each one…

A:

Q: The mode of the following data is: 32,12, 23, 34, 43, 21, 32,12, 23, 32

A: Given data, 32,12,23,34,43,21,32,12,23,32 Mode=?