7C.7
A study will be conducted to investigate whether there is a difference in the mean weights between two populations of raccoons. Random samples of raccoons will be selected from each population, and the mean sample weight will be calculated for each sample.
Which of the following is the appropriate test for the study?
A) A one-sample z-test for a population proportion
B) A one-sample t-test for a population mean
C) A two-sample t-test for a difference between sample means
D) A two-sample t-test for a difference between population means
E) A two-sample z-test for a difference between population proportions