Random samples of several days' sales of handguns per day in three different states are shown below. We are interested in determining whether or not there is a significant difference in the average sales of guns in the three states. Please note the sample sizes are not equal.
?
Tennessee
Kentucky
Texas
12
15
16
13
19
18
17
20
10
18
?
?
?
?
?
?
??
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 the .05 level. Determine the critical value for this test. What do you conclude?e.Determine the p-value and use it for the test.
What will be an ideal response?
a. 15.8
b.H0: There is no significant difference among the means of the populations.Ha: At least one mean is different from the others.?c.
| Source of Variation | SS | df | MS | F |
| Between Groups | 33.6 | 2 | 16.8 | 1.90 |
| Within Groups | 62 | 7 | 8.857 | |
| Total | 95.6 | 9 | ? | ? |
You might also like to view...
Which of the following statements is true of the Mexican economy?
A) Since the formation of EFTA, Mexico has been modernizing its infrastructure. B) Immigrant workers from Mexico fill the need for low-cost labor in the U.S. C) Over 80 percent of Mexico's trade is with Canada. D) Americans have invested more in Mexico than any other foreign land.
The Center for Audit Quality is dedicated to enhancing investor confidence in what?
a. The financial markets. b. Management. c. Auditors. d. Both B and C. e. All of the above.
In the simplified letter format, commas follow both the salutation and the complimentary close
Indicate whether the statement is true or false.
"Partnership property" is the sum of the partnership's assets, including all property acquired by a partnership
a. True b. False Indicate whether the statement is true or false