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cheesyboots cheesyboots
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A year ago

Information regarding random samples of annual salaries (in thousands of dollars) of doctors in three different specialties is shown below.
 


 

 PediatricsRadiologyPathology
Sample size121011
Average salary120186240
Sample variance161820


 

a.Compute the overall mean.
b.State the null and alternative hypotheses to be tested.
c.Show the complete ANOVA table for this test including the test statistic.
d.The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?
e.Determine the p-value and use it for the test.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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LeonKennedySLeonKennedyS
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cheesyboots Author
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A year ago
Brilliant ツ
homework1
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Yesterday
this is exactly what I needed
7.prime7105
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2 hours ago
Smart ... Thanks!
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