Testing whether the mean transaction time

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Reference no: EM13815536

A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a sample standard deviation of 12 seconds.

When testing whether the mean transaction time is different from 60 seconds at the 0.05 significance level, choose the best conclusion:

a. We find evidence supporting that the population mean is equal to 60 seconds.

b. We find evidence supporting that the population mean is different from 60 seconds.

c. It is possible that we commit a Type II error.

d. I give up

Reference no: EM13815536

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