Information regarding random samples of annual salaries (in thousands of dollars) of doctors in three different specialties is shown below. Pediatrics Radiology Pathology Sample size 12 10 11 Average salary 120 186 240 Sample variance 16 18 20 a Compute the overall mean . b. Show the complete ANOVA table for this test including the test statistic. c. The null hypothesis is to be tested at the 5% level. Determine the critical value for this test. d. Determine the p-value and use it for the test.

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Information regarding random samples of annual salaries (in thousands of dollars) of doctors in three different
specialties is shown below.
Pediatrics
Radiology
Pathology
Sample size
Average salary
Sample variance
12
10
11
120
186
240
16
18
20
a.
Compute the overall mean
b.
Show the complete ANOVA table for this test including the test statistic.
The null hypothesis is to be tested at the 5% level. Determine the critical value for this test.
d. Determine the p-value and use it for the test.
c.
Transcribed Image Text:Information regarding random samples of annual salaries (in thousands of dollars) of doctors in three different specialties is shown below. Pediatrics Radiology Pathology Sample size Average salary Sample variance 12 10 11 120 186 240 16 18 20 a. Compute the overall mean b. Show the complete ANOVA table for this test including the test statistic. The null hypothesis is to be tested at the 5% level. Determine the critical value for this test. d. Determine the p-value and use it for the test. c.
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