You also have been asked to study whether there are any differences in the proportions of...

You also have been asked to study whether there are any differences in the proportions of various income levels of supporters concerning whether they are willing to financially contribute to the candidate’s campaign. Random samples of supporters categorized by income level are chosen. Sample data concerning income level and whether a financial contribution has been or will be made is shown below in appendix two. At each of the 2% and 5% levels of significance, are there any differences in the proportions of the various income levels concerning their financial support of the candidate? If at either level of significance, you find any differences in the proportions of income levels that have or will donate to the campaign, perform the necessary work in order to ascertain where any possible differences lie.

Income Level

Donate Financially? <20K [20K,40K) [40K,60K) [60K,80K) ≥80K

Yes 14 27 23 29 28

No 50 35 28 19 17

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Expert Solution

orchestra answered 11 months ago

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