Maurice Tutor

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    Argosy University/ Phoniex University/
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    Phoniex University
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Category > Management Posted 11 Jul 2017 My Price 13.00

average expenditure on Valentine's Day

The average expenditure on Valentine's Day was expected to be $100.89 (USA Today, February 13, 2006). Do male and female consumers differ in the amounts they spend? The average expenditure in a sample survey of 44 male consumers was $135.67, and the average expenditure in a sample survey of 34 female consumers was $68.64. Based on past surveys, the standard deviation for male consumers is assumed to be $39, and the standard deviation for female consumers is assumed to be $24

 

 

 

a) What is the point estimate of the difference between the population mean expenditure for males and the population mean expenditure for females (to 2 decimals)?

 

 

b) At 99% confidence, what is the margin of error (to 2 decimals)?


 

c) Develop a 99% confidence interval for the difference between the two population means (to 2 decimals)

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Jul 2017 02:07 PM My Price 13.00

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