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What Were the Sample Means That Marked the Middle 68

Question 37

Multiple Choice

What were the sample means that marked the middle 68% in the state if the population mean was 500 and the standard deviation (standard error) for the sampling distribution was 200?


A) 350 and 650
B) 300 and 700
C) 400 and 600
D) 450 and 550

Correct Answer:

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