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omaralnatour omaralnatour
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3 weeks ago

Independent random samples taken at two local malls provided the following information regarding purchases by patrons of the two malls.

 

 

Hamilton Place

Eastgate

Sample Size

85

93

Average Purchase

$143

$150

Standard Deviation

$22

$18


We want to determine whether or not there is a significant difference between the average purchases by the patrons of the two malls.
 

a.Give the hypotheses for the above.
b.Compute the test statistic.
c.At 95% confidence, test the hypotheses.

Textbook 

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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lnvolley24lnvolley24
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3 weeks ago
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More solutions for this book are available here


a.H0: μ1 - μ2 = 0
Ha: μ1 - μ2 0
b.t = -2.31
c.p-value (0.0221) is between .02 and .05 (2 tailed), reject H0


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