Numerical Descriptive Measures Problems

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.). What is the median?

• 28

• 26

• 25

• 27

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  What is the mode?

• 27

• 30

• 28

• 26

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  Find the 28^th and 73^rd percentiles of the data

• 1. 24 and 29

• 1. 26 and 28

• 1. 26 and 30

• 1. 25 and 27

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  What is the range of the data?

• 1. 17

• 1. 20

• 1. 13

• 1. 22

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  What is the interquartile range of the data?

• 1. 4

• 1. 5

• 1. 6

• 1. 7

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  What is the variance of the data?

• 1. 33.34219

• 1. 27.68511

• 1. 30.85455

• 1. 24.33333

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  Find the standard deviation of the data?

• 1. 6.155534

• 1. 5.554687

• 1. 6.073421

• 1. 5.323245

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  Find the coefficient of variation for the data.

• 1. 0.2029952

• 1. 0. 2430017

• 1. 0.1871433

• 1. 0.1923429

These data are taken from Chapter 1: 28, 31, 22, 26, 23, 27, 24, 28, 21, 30, and 41. (These data values are the age of 11 individuals in a statistics class.)  What is the largest standardized value? 

• 1. 3.654648

• 1. 3.145634

• 1. -2.965606

• 1. 2.454929

 The eight-day forecast of high-and-low temperatures (in degrees Fahrenheit) for New York City for the period from June 8 to June 15, 2017 is: 68 and 56; 82 and 64; 84 and 69; 93 and 70; 91 and 71; 90 and 70; 84 and 64; and 78 and 69.  Create a data frame consisting of the two variables (name them “high” and “low,” respectively), name the data frame “temps.”  Find the correlation and covariance of variables “high” and “low.”

• 1. 23.15571 and 0.9471028

• 1. 40.27653 and 0.8778212

• 1. 34.60714 and 0.8407997

• 1. 46.15235 and 0.9176467