Determine the margin of error or standard error, Basic Statistics

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Determine the margin of error or standard error

In order to estimate the average electric usage per month, a sample of 196 houses was selected, and the electric usage determined.

a. Assume a population standard deviation of 350 kilowatt hours. Determine the standard error of the mean.

b. With a 0.95 probability, determine the margin of error or standard error.

c. If the sample mean is 2,000 KWH, what is the 95% confidence interval estimate of the population mean?

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Basic Statistics: Determine the margin of error or standard error

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Basic Statistics: Determine the margin of error or standard error

Reference No:- TGS0112923

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Recent Questions Asked Basic Statistics

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Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Determine the margin of error or standard error

Reference No:- TGS0112923

Recent Questions Asked Basic Statistics

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