Question

The Municipal Transit Authority claims that, on weekdays, fewer passengers ride the train that departs at 8 a.m. than the one that departs at 2 p.m. The following sample statistics were determined. The table shows the average number of riders for each train, after samples from random days were taken for each train. n � s Morning Train 3 8 313 30 Afternoon Train 32 336 18 Test at the α=.05 level of significance whether the data provide sufficient evidence to conclude that fewer passengers ride the morning. a. State the Null and the Alternative Hypotheses, explaining which is which is �"and which is �#. (2) b. Show the Test Statistics and the standardized test statistic (4) c. State the conclusion about the claim and how you made the decision.

Answer 1