After a large fund drive to help the Boston City Library, the following information was obtained from a random sample of contributors to the library fund. Using a 1% level of significance, test the claim that the amount contributed to the library fund is independent of ethnic group. Number of People Making Contribution $51-100 Ethnic Group $101-150 48 Over $200 Row Total $1-50 81 $151-200 34 67 21 251 100 44 67 28 25 264 84 59 54 36 33 266 108 67 56 29 340 Column Total 373 250 236 154 108 1121

After a large fund drive to help the Boston City Library, the following information was obtained from a random sample of contributors to the library fund. Using a 1% level of significance, test the claim that the amount contributed to the library fund is independent of ethnic group. Number of People Making Contribution $51-100 Ethnic Group $101-150 48 Over $200 Row Total $1-50 81 $151-200 34 67 21 251 100 44 67 28 25 264 84 59 54 36 33 266 108 67 56 29 340 Column Total 373 250 236 154 108 1121

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 8E

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