Question
A publishing company performs sample surveys to obtain information on the characteristics of book readers. A book reader is defined to be one who read
A publishing company performs sample surveys to obtain information on the characteristics of book readers. A book reader is defined to be one who read one or more books in the six months prior to the survey; a nonbook reader is defined to be one who read newspapers or magazines but no books in the six months prior to the survey; a nonreader is defined to be one who did not read a book, newspaper, or magazine in the six months prior to the survey. The following data were obtained from a random sample of 1429 persons 16 years old and over. x
Classification | |||||
Book reader | Nonbook reader | Nonreader | Total | ||
Household income | Less than $15,000 | 173 | 267 | 55 | 495 |
$15,000 to $24,999 | 168 | 130 | 19 | 317 | |
$25,000 to $39,999 | 160 | 144 | 9 | 313 | |
$40,000 and over | 213 | 88 | 3 | 304 | |
Total | 714 | 629 | 86 | 1429 |
X2 = 114.534X2 = 114.534; P value =2.287 × 1022 = 2.287 ×1022
Select one:
A. There is not sufficient evidence to reject the null hypothesis and conclude that income and classification are independent.
B. There is sufficient evidence to reject the null hypothesis and conclude that income and classification are dependent.
C. There is sufficient evidence to reject the null hypothesis and conclude that the classifications are not uniformly distributed for each income bracket.
D. There is not sufficient evidence to reject the null hypothesis and conclude that income and classification are dependent.
E. There is sufficient evidence to reject the null hypothesis and conclude that income and classification are independent.
Step by Step Solution
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