Answered: A local church parish wants to raise…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 134 people in the sample they contacted, that 69 actually contributed money. Of those that contributed money, the average contribution was $801 with a standard deviation of $255. In the recent fundraising campaign, a sample of 90 people revealed that 51 have contributed money with an average contribution of $1,161 and a standard deviation of $385. When testing (at the 5% level of significance) whether the averageamount contributed has increased in the current campaign compared to the previous campaign, what is the test statistic? (please round your answer to 2 decimal places)

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