A simple random sampleof 100 grocery receipts was drawn from a normal population. The meanand standard deviationof the sample were $120 and $25, respectively. Test the hypothesis H0: u = 125 vs H1:u not = 125 at the 10% significance level.
Test Statistic =
Critical Values(s) =
Please help thanks.
A simple random sample of 100 grocery receipts was drawn from a normal population. The mean and standard deviation of …
The solution shows how to find the test statistic, critical values and a conclusion for mean and standard deviations of grocery receipts.