A local church parish wants to raise money to add to their campus. In a sample from a previous fund raising campaign, the parish found that of the 135 people in the sample they contacted, that 68 actually contributed money. Of those that contributed money, the average contribution was $882 with a standard deviation of $242. In the recent fundraising campaign, a sample of 91 people revealed that 56 have contributed money with an average contribution of $1160 and a standard deviation of $335. When testing (at the 5% level of significance) whether the proportion of peole who are contributing has increased, what is the test statistic? (please round your answer to 2 decimal places)
A local church parish wants to raise money to add to their campus. In a sample from a previous fund raising campaign, the parish found that of the 135 people in the sample they contacted, that 68 actually contributed money. Of those that contributed money, the average contribution was $882 with a standard deviation of $242. In the recent fundraising campaign, a sample of 91 people revealed that 56 have contributed money with an average contribution of $1160 and a standard deviation of $335. When testing (at the 5% level of significance) whether the proportion of peole who are contributing has increased, what is the test statistic? (please round your answer to 2 decimal places)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A local church parish wants to raise money to add to their campus. In a sample from a previous fund raising campaign, the parish found that of the 135 people in the sample they contacted, that 68 actually contributed money. Of those that contributed money, the average contribution was $882 with a standard deviation of $242. In the recent fundraising campaign, a sample of 91 people revealed that 56 have contributed money with an average contribution of $1160 and a standard deviation of $335. When testing (at the 5% level of significance) whether the proportion of peole who are contributing has increased, what is the test statistic? (please round your answer to 2 decimal places)
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