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A Researcher Measured the Pulse of a Random Sample of Students

Question 23

Multiple Choice

A researcher measured the pulse of a random sample of students finishing the SAT exam. The results of the study were sample size = 25, sample mean = 80, and sample standard deviation = 20. What is the best estimate for the standard error of the sampling distribution?


A) 3.2
B) 4
C) 5
D) 16

Correct Answer:

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