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Author Question: Information regarding random samples of annual salaries (in thousands of dollars) of doctors in ... (Read 67 times)

lingual

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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.



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Marked as best answer by lingual on Mar 25, 2023

DevinBrifm

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lingual

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)


rleezy04

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Reply 3 on: Yesterday
Wow, this really help

 

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