Compute 2 and 2 from the results in Exercise 16.17. Exercise 16.17 For the data

Compute η² and ω² from the results in Exercise 16.17.

Exercise 16.17

For the data in Appendix D, form three groups. (These data are available at www.uvm

.edu/~dhowell/fundamentals9/DataFiles/Add.dat). Group 1 has ADDSC scores of 40 or below, Group 2 has ADDSC scores between 41 and 59, and Group 3 has ADDSC scores of 60 or above. Run an analysis of variance on the GPA scores for these three groups. You can use R for this analysis by using the commands:

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add.dat