Professors project that students at CCNY would score an average of 62 on a standardized exit exam if it were required to obtain a degree in economics. To test this, a group of professors sample 100 students who score an average of 68 on the exam with a standard error of 6. Assuming the scores are generated by a normal distribution and what kind of hypothesis test would you conduct to test the professors' claim?

	a.	z-test
	b.	chi-squared test
	c.	None of these
	d.	F-test
	e.	t-test

Professors project that students at CCNY would score an average of 62 on a standardized exit exam if it were required to obtain a degree in economics. To test this, a group of professors samples 35 students who score an average of 68 on the exam with a sample standard deviation of 13. What kind of hypothesis test would you conduct to test the professors' claim?

	a.	F-test
	b.	chi-sqaured test
	c.	t-test
	d.	z-test
	e.	None of these