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Author Question: If a population is skewed, based on the Central Limit Theorem, what is a good rule of thumb for ... (Read 113 times)

warrenjean01

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Question 1

If a population has a variance of 64 and we take a simple random sample of size 25, what will the standard deviation of the sampling distribution of\(\style{font-family:Times New Roman;}{\overline x}\)be, assuming the Central Limit Theorem holds in this case?

0.32


0.625


1.60


3.125



Question 2

If a population is skewed, based on the Central Limit Theorem, what is a good rule of thumb for assuming the sampling distribution of\(\style{font-family:Times New Roman;}{\overline x}\)is approximately normal?

np≥ 5


n≥ 30


μ≥ 30


n≤ 30



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Marked as best answer by warrenjean01 on Feb 26, 2023

bmac98

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warrenjean01

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Reply 2 on: Feb 26, 2023
Excellent


aliotak

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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