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) Z-values
C) Standard errors
D) Both "a" and "c"
E) None of the choices are correct
Correct Answer:
Verified
Correct Answer:
Verified
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