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 Ethnic Group$1-50$51-100$101-150$151-200Over $200Row TotalA8065563515251B9453672624264C7057654331266D10582705033340Column Total34925725815410311211. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)2. What are the degrees of freedom?

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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
Ethnic Group	$1-50	$51-100	$101-150	$151-200	Over $200	Row Total
A	80	65	56	35	15	251
B	94	53	67	26	24	264
C	70	57	65	43	31	266
D	105	82	70	50	33	340
Column Total	349	257	258	154	103	1121

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

2. What are the degrees of freedom?

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