Title: Information regarding random samples of annual salaries (in thousands of dollars) of doctors in ...
Post by: cheesyboots on Mar 5, 2023
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. | 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. |
Title: Re: Information regarding random samples of annual salaries (in thousands of dollars) of doctors in ...
Post by: LeonKennedyS on Mar 5, 2023
Content hidden