Mercedes is conducting a study about the costs of prom dresses. Her school has 2500 students. She asks 10 of the girls in her AP statistics class to participate in a survey. She bases her findings on these results. Is this a valid study? Why or why not?

A) NO, she should ask the girls in her chorus class instead

B) YES, asking 10 girls in her class will give her a good sample to work with.

C) YES, drawing a sample only from AP statistics gives a random sample of girls attending prom at the school.

D) NO, drawing a sample only from AP statistics does not give a random sample of girls attending prom at the school.

Question

Renee Simon

19 April, 07:06

+4

Answers (2)

Know the Answer?

Caylee Wang · Answer 1

D

Along with not being a random sample, the sample is also too small to represent a population of 2500.

Amani · Answer 2

NO, drawing a sample only from AP statistics does not give a random sample of girls attending prom at the school.