You need a two sample t-test see here for the needed t-score, and a table of the t-distribution or a t-distributionOriginally Posted bybombo31

calculator for probabilities.

RonL

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- July 14th 2006, 03:36 PM #1

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## Please help

A university investigation was conducted to determine whether women and men complete medical school in significantly different amounts of time, on the average. Two independent random samples were selected and the following summary information concerning times to completion of medical school computed:

Sample Size

Women Men

90 100

8.4 years 8.5 yearsSample Mean

0.6 years 0.5 yearsSample Standard Deviation

a. Perform the appropriate test of hypothesis to determine whether there is a significant difference in time to completion of medical school between women and men. Test using alpha = 0.05.

b. Find the p-value associated with the test in part (a).

- July 15th 2006, 02:19 AM #2

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- July 15th 2006, 04:20 AM #3