A Statistics Professor Wishes to Estimate the Average Mark on a Term

Multiple Choice

A statistics professor wishes to estimate the average mark on a term test for a course that has multiple sections and many students. A survey of some of the students registered for the course reveals the following results: If 90% and 95% confidence intervals were developed to estimate the true term test mean, what similarities would exist?

A) Point estimates
B) t-values
C) Standard errors
D) Both point estimates and standard errors
E) No similarities with point estimates, t-values or standard errors