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Author Question: Sampling error can be eliminated if the sampling is done properly. Indicate whether the statement ... (Read 67 times)

jc611

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on: Jun 24, 2018
Sampling error can be eliminated if the sampling is done properly.
 
  Indicate whether the statement is true or false

Question 2

A study has indicated that the sample size necessary to estimate the average electricity use by residential customers of a large western utility company is 900 customers.
 
  Assuming that the margin of error associated with the estimate will be 30 watts and the confidence level is stated to be 90 percent, what was the value for the population standard deviation?A) 265 watts
  B) Approximately 547.1 watts
  C) About 490 watts
  D) Can't be determined without knowing the size of the population.


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mtmmmmmk

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

FALSE

Answer to Question 2

B


jc611

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

mcarey591

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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