Chapter 1.3, Problem 117E

a.

To determine

To construct: The parallel box plot.

Explanation of Solution

Given:

The data set is:

Males	Females
127	112
44	203
28	102
83	54
0	379
6	305
78	179
6	24
5	127
213	65
73	41
20	27
214	298
28	6
11	130
	0

Graph:

The parallel box-plot could be constructed as:

  

b.

To determine

To find: The numerical descriptive statistics using calculator.

Explanation of Solution

The numerical descriptive statistics using calculator for Male can be calculated as:

  

  

For female, the numerical descriptive statistics using calculator are”

  

  

c.

To determine

To find: Whether difference exists in the texting habits of males and females.

Explanation of Solution

From the boxplot, it could be said that the females are texting more frequently than the females.