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Chapter 13: Q.8 (page 764)

There are five basic assumptions that must be fulfilled in order to perform a one-way ANOVA test.

When do you use an ANOVA test?

Short Answer

Expert verified

The ANOVA test is used to compare more than two groups

Step by step solution

01

Given Information

There are five basic assumptions that must be fulfilled in order to perform a one-way ANOVA test.

We have to explain when do we use an ANOVA test

02

Explanation

The ANOVA test is used to compare more than two groups. The F-test is used for the one-way ANOVA test to compare more than two means and more than two variances.

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Most popular questions from this chapter

Are the variances for incomes on the East Coast and the West Coast the same? Suppose that Table 13.34shows the results of a study. Income is shown in thousands of dollars. Assume that both distributions are normal. Use a level of significance of 0.05.

East
West
38
71
47126

30		42
82
51

75
44

52		90
115
88

67

What is MSwithin ?

Two coworkers commute from the same building. They are interested in whether or not there is any variation in the time it takes them to drive to work. They each record their times for 20commutes. The first worker鈥檚 times have a variance of 12.1. These coworkers' times have a variance of 16.9. The first worker thinks that he is more consistent with his commute times. Test the claim at the 10% level. Assume that commute times are normally distributed. What is the p-value?

Two coworkers commute from the same building. They are interested in whether or not there is any variation in the time it takes them to drive to work. They each record their times for 20commutes. The first worker鈥檚 times have a variance of 12.1. These coworkers' times have a variance of 16.9. The first worker thinks that he is more consistent with his commute times. Test the claim at the 10% level. Assume that commute times are normally distributed. What is s2 in this problem?

What is the df for the numerator?
See all solutions

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