Multiple Choice
In which of the following situations does the rule for sample means not apply?
A) A pollster takes a random sample of 1,000 Americans and asks them to give their opinion of the President on a scale from 1 (completely disapprove) to 100 (completely approve) .He is interested in the average rating.
B) You take a random sample of 20 students' scores from the ACT exam and record the average score.Assume ACT scores are bell-shaped.
C) A sports fan takes a random sample of 20 NBA players and records their salaries.He wants to estimate the average salary for the entire NBA.
D) The rule for sample means does not apply in any of these situations.
Correct Answer:
Verified
Correct Answer:
Verified
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