13.1 One-Way ANOVA
Comparing three or more group means at once by way of their variances, plus the independence, normality, and equal-spread assumptions required.
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 in order 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 in order 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 in order 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 in order 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 Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.