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Author Question: We are interested in selecting a sample from a population of size 4,000 in order to develop an ... (Read 39 times)

SGallaher96

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on: Jun 24, 2018
We are interested in selecting a sample from a population of size 4,000 in order to develop an approximate 95 confidence interval estimate of the population mean. A pilot study has resulted in a standard deviation of 600 . What should be the sample size if we do not want the sampling error to exceed 200?

Question 2

The ___________________ _ is the least effective of all the measures of variability.
 Fill in the blank(s) with correct word


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frankwu0507

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Reply #1 on: Jun 24, 2018
Answer to Question 1

36

Answer to Question 2

range


SGallaher96

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Reply 2 on: Jun 24, 2018
Excellent

milbourne11

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

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