Below are the cell means and partial output from a statistics software package.

MEANS Alone Group

1 hour 82.6 79.4

3 hours 81.0 93.4

Source SS df MS F p-value ²

Practice 270.32 _____ 270.32 20.46 .000 _____

Group size 150.89 1 ??? _____ .002 ???

Practice* _____ ______ ??? 32.11 .000 _____

Group size

Error 317.14 24 13.21

Total xxxxx

1. Fill in the blanks in the source table, showing all work below. Cells with question marks are not worth separate points on this question, but may be necessary to calculate. (12)

2. Write the final conclusions for Ainsley's second experiment. (15.5)