Use the given statistics to complete parts (a) and (b). Assume that the populations are normally...

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Use the given statistics to complete parts (a) and (b). Assume that the populations are normally...

Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether μ1>μ2 at the a=0.10 level of significance for the given sample data.(b) Construct a 99% confidence interval about μ1−μ2.		Population 1	Population 2
	n	20	25
	x	50.2	40.6
	s	7.2	12.8

math Statistics-And-Probability

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