Professors project that students at CCNY would score an average of 62 on a standardized exit exam if it were required to Protessors project that students at CCNY would score an average of 62 on a standare 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. Futest
b. chi-squared test
c. t-test
d. z-test
e. None of these