The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below.Subject AreaPercent of Books on Subject in CirculationLibrary on This SubjectNumber of Books inSample on This SubjectBusiness32%270Humanities25%229Natural Science20%216Social Science15%102All other subjects8%71Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students.(b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to three decimal places. Round the test statistic to three decimal places.)What are the degrees of freedom?

Name: The director of library services at a college did a survey of types of
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Description: The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by s

Percentage O E (O-E)^2 (O-E)^2/E 0.32 270 284.16 200.5056 0.70561 0.25 229 222 49 0.22072 0.2…

Answered: b) Find the value of the chi-square…

MATLAB: An Introduction with Applications

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Author:Amos Gilat

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The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below.

Subject Area	Percent of Books on Subject in Circulation Library on This Subject	Number of Books in Sample on This Subject
Business	32%	270
Humanities	25%	229
Natural Science	20%	216
Social Science	15%	102
All other subjects	8%	71

Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students.

(b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to three decimal places. Round the test statistic to three decimal places.)

What are the degrees of freedom?

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