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 95% and 98% confidence intervals were developed to estimate the true term test mean, what differences would exist?
A) Standard errors
B) Interval widths
C) Z-values
D) Both "b" and "c"
E) None of the choices are correct

Question

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 95% and 98% confidence intervals were developed to estimate the true term test mean, what differences would exist?
A) Standard errors 
B) Interval widths 
C) Z-values 
D) Both "b" and "c" 
E) None of the choices are correct

Quizplus · Accepted Answer

The Answer of 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 95% and 98% confidence intervals were developed to estimate the true term test mean, what differences would exist?
A) Standard errors 
B) Interval widths 
C) Z-values 
D) Both "b" and "c" 
E) None of the choices are correct

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