In: Statistics and Probability
6) Of interest to many online retailers are gender based differences in shopping preferences and behaviors. To assess the differences data was collected on average monthly online expenditure (in dollars) from independent random samples of adults from the populations of males and females. Here are the results:
n Mean Std
Female 12 312 42
Male 10 352 47
Is there evidence to believe males spend significantly more than females in online shopping ? Conduct a level alpha =0.01 test . a) State the null and alternate hypotheses b) What assumptions, if any, are you making on the population distributions? c) Compute the value of the test statistic and its P-value. d) State your conclusion.