A recent study of students at the university contained data on ...

[JGIBBSON]

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.

[coreycathey]

Answer to Question 1

TRUE

Answer to Question 2

C

[JGIBBSON]

Thanks for the timely response, appreciate it

[at]

Excellent