The Book Industry Study Group, Inc $\chi ^ { 2 } = 114.534 ; P$

The Book Industry Study Group, Inc.performs sample surveys to obtain information on 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 non-book 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 in an effort to determine whether or not the proportions of book readers,
Non-book readers, and non-readers are the same for each income bracket.

$\chi ^ { 2 } = 114.534 ; P$ -value $= 2.287 \times 10 ^ { - 22 }$

A) There is 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 not sufficient evidence to reject the null hypothesis and conclude that income and classification are independent.

Correct Answer:

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