EBook Problems EDA IntroUses

EBook Problems Set - Uses and Abuses of Statistics Problems

Problem 1

Dianna wants to conduct a survey on the opinions of UCLA students on the new Carl's Jr. opening on campus. She decides to go through her phone book and do a phone survey of her friends and acquaintances. What is she doing wrong?

• Choose one answer.

(a) She is doing nothing wrong.

(b) She would need a sample of at least 200. She can't possibly have that many friends.

(c) Her sample isn't random.

(d) A phone survey is never a good method.

Answer

 (c)

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