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Author Question: Information regarding random samples of annual salaries (in thousands of dollars) of doctors in ... (Read 74 times)

lingual

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on: Mar 25, 2023

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.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by lingual on Mar 25, 2023

DevinBrifm

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Reply #1 on: Mar 25, 2023
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lingual

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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