13.1 One-Way ANOVA
Testing whether several group means are all equal at once, and the five assumptions - normality, independence, equal variances - that make the test valid.
5 exercises
13.1 Exercise 1
Use the following information to answer the next five exercises. There are five basic assumptions that must be fulfilled to perform a one-way ANOVA test. What are they?
Write one assumption.
13.1 Exercise 3
Use the following information to answer the next five exercises. There are five basic assumptions that must be fulfilled to perform a one-way ANOVA test. What are they?
Write a third assumption.
13.1 Exercise 5
Use the following information to answer the next five exercises. There are five basic assumptions that must be fulfilled to perform a one-way ANOVA test. What are they?
Write the final assumption.
13.1 Exercise 7
Use the following information to answer the next five exercises. There are five basic assumptions that must be fulfilled to perform a one-way ANOVA test. What are they?
State the alternative hypothesis for a one-way ANOVA test if there are three groups.
13.1 Exercise 9
Three different traffic routes are tested for mean driving time. The entries in the the table are the driving times in minutes on the three different routes.
State SSbetween, SSwithin, and the F statistic.
Adapted from Statistics © 2022 Rice University. Licensed under CC BY 4.0. Source: Statistics. Imported at revision 7dea80a.