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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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alphalions alphalions
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A year ago

The following information regarding the yearly salaries (in $1,000) of CEO’s in 2010 and 2009 are provided.
 

 

Year 2010

Year 2009

Sample size

190

145

Sample Mean

560

540

Population Standard Deviation

80

90


 

a.At 95% confidence, perform a test to determine if there has been a significant increase in the salaries of CEO’s. Use the Critical Value Approach.
b.Compute the p-value.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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cryzazncryzazn
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A year ago
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This calls for a celebration Person Raising Both Hands in Celebration
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Thank you, thank you, thank you!
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this is exactly what I needed
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