Independent random samples taken at two local malls provided the following information about purchases by patrons of the two malls.
Hamilton Place Eastgate
Sample Size 85 93
Average Purchase $143 $150
Standard Deviation $22 $18
We want to find out whether or not there is significant difference between the average purchases by the patrons of two malls.
a. Provide the hypotheses for the above.
b. Calculate the test statistic.
c. At 95% confidence, test the hypotheses.