Construct a 98 percent confidence interval estimate of the, Ask an Expert

Statistics

Consider the following results for two samples randomly taken from two populations.

Sample A Sample B

Sample Size                                  130        130
Sample Mean                                412        405
Sample Standard Deviation          140          80

a. At a .01 level of significance, test whether there is a difference between the 2 sample means (Please show work).

b. Construct a 98 percent confidence interval estimate of the difference between the two sample means (Please show work).

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9358757

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