For each of the 2 majors, conduct a full hypothesis test at the
10% significance level:
The mean ‘Cost’ for a college is $160,000.
2. For Business versus Engineering majors conduct a full,
two-sample, full hypothesis test at the 5% significance level
(assume the variances are not equal):The average ’30-Year ROI’ for
Business majors is less than for Engineering Majors.
3. In a highlighted box, explain how each hypothesis
test contributes to the central question of which major would give
the...