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Author Question: The Chairman of a College of Business with five departments wants to estimate the average number of ... (Read 62 times)

soccerdreamer_17

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on: Jun 24, 2018
The Chairman of a College of Business with five departments wants to estimate the average number of student-hours lost per month due to illness of their professors. Describe a sampling plan that will help the Dean compare the average student-loss hours for the five departments.

Question 2

A senator wants to estimate the mean age of registered voters in her state. Unfortunately, she does not have a complete list of households in her state. Describe a sampling plan that would be suitable for her purposes.


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Pariscourtney

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

The Chairman can take one simple random sample from each department for comparison purposes. That means he is taking a stratified random sample, where the strata are the five departments.

Answer to Question 2

Use cluster sampling, where each city block is a cluster. Select a certain number of state counties at random, then for each city block selected, sample each household in that county.


soccerdreamer_17

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Reply 2 on: Jun 24, 2018
Excellent

kishoreddi

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Reply 3 on: Yesterday
Wow, this really help

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