Chapter 1, Problem 8E

To determine

To find: what the data set contains

Answer to Problem 8E

Option (c) is the correct option.

Explanation of Solution

Given:

weight	age	Travel to work	school	gender	Income last year
187	66	0	Ninth grade	1	2400
158	66	n/a	High school grade	2	0
176	54	10	Assoc. grade	2	11900
339	37	10	Assoc. grade	1	6000
91	27	10	Some college	2	30000
155	18	n/a	High school grade	2	1
213	38	15	Master’s degree	2	125000
194	40	0	High school grade	1	800
221	18	20	High school grade	1	2500
193	11	n/a	Fifth grade	1	0

Calculation:

The individuals in the data set collected by American Community Survey for 10 people chosen at random by the survey published at the Census Bureau Web site contains 6 variables, 2 of which are categorical

s.no	Name of variables	type
1	weight	quantitative
2	age	quantitative
3	Travel to work	quantitative
4	school	categorical
5	gender	categorical
6	Income last year	quantitative

The six variables are weight, age, travel to work, school, gender and income last year. Out of variables 2 are categorical i.e. school and gender.

Conclusion:

Therefore, (c) 6 variables, 2 of which are categorical is the correct option.