Essay
A large sample is selected from a bell-shaped distribution.The middle 99.7% of the sample data falls between 24.2 and 69.2.Estimate the sample mean and the sample standard deviation.
Correct Answer:

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- 3s = 24.2,and
+ 3s = 69....View Answer
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Correct Answer:
Verified
+ 3s = 69....
View Answer
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