Confidence interval for difference between population mean

Reference no: EM13113562

The following data are from matched samples taken from two populations

Element Population 1 Population 2
1 11 8
2 7 8
3 9 6
4 12 7
5 13 10
6 15 15
7 15 14

a. Provide a 95% confidence interval for the difference between the two population means.
b. Compare the means of population 1 and population 2. Are they equal? Show your test procedure.

Reference no: EM13113562

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