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Confidence interval of the populatoin mean

A random sample of 100 credit sales in a department store showed an average sale of $120.00. From past data, it is known that the standard deviation of the population is $40.00. Provide a 95% confidence interval of the populatoin mean and interpret the results.

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Basic Statistics: Confidence interval of the populatoin mean

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Confidence interval of the populatoin mean

Reference No:- TGS0691120

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Standard deviation of the sampling distribution for samples

Q : What was the change in ge market capitalization

Q : What is the mean-standard deviation of the number of voters

Q : The differences between single or multistep income statement

Q : Confidence interval of the populatoin mean

Q : Discuss what affect this would have on the breakeven point

Q : What is globals share price

Q : Determine the variable overhead spending

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Confidence interval of the populatoin mean

Reference No:- TGS0691120

Recent Questions Asked Basic Statistics

Q : Standard deviation of the sampling distribution for samples

Q : What was the change in ge market capitalization

Q : What is the mean-standard deviation of the number of voters

Q : The differences between single or multistep income statement

Q : Confidence interval of the populatoin mean

Q : Discuss what affect this would have on the breakeven point

Q : What is globals share price

Q : Determine the variable overhead spending

Q : Where is type of crime most likely to be committed

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