Two levels Of u Three-factor of gender and three of income ANOVA Enter your example here. Enter your example here. 4. Using the data in Chapter 13 Data Set 2 and SPSS, compute the F rain for a comparison among the three levels representing the average amount of time that swimmers practice weekly ( 25 hours), with the outcome variable being their time for the 100-yard freestyle. Answer the question of whether practice time makes a difference. Don't forget to use the Options feature to get the means for the groups. The data in Chapter 13 Data Set 3 were collected by a roc