Author Question: A recent study of students at the university contained data on year in school and student age. An ... (Read 103 times)

JGIBBSON · **on:** Jun 24, 2018

A recent study of students at the university contained data on year in school and student age. An appropriate tool for analyzing the relationship between these two variables would be a joint frequency distribution.

Indicate whether the statement is true or false

Question 2

If a decision maker wishes to reduce the margin of error associated with a confidence interval estimate for a population mean, she can:

A) decrease the sample size.
B) increase the confidence level.
C) increase the sample size.
D) use the t-distribution.