Consider the following hypothesis statement using = 0.05 and data from two independent samples. Assume the

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Consider the following hypothesis statement using α = 0.05 and data from two independent samples. Assume the population variances are equal and the populations are normally distributed.

a. Calculate the appropriate test statistic and interpret the result.

b. Approximate the p value using Table 5 in Appendix A and interpret the results.

c. Determine the precise p value using Excel.

d. Verify your results using PHStat.

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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Question Posted: Jul 17, 2015 07:41 AM

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Consider the following hypothesis statement using = 0.05 and data from two independent samples. Assume the

Question:

-= 14.3 Si = 2.7 ni = 20 石=12.8 s2 = 3.3 n2 = 18

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a b t x 154 d f 36 The p value is between 010 and 020 Because this ...View the full answer

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