For Exercises 14.1 and 14.2, see pages 717–718; for 14.3 and 14.4, see page 720; for 14.5 and 14.6, see page 722; for 14.7, see page 724; for 14.8 and 14.9, see page 726; for 14.10 to 14.13, see pages 728–728; for 14.14 and 14.15, see page 731; for 14.16 to 14.19, see page 739; for 14.20 and 14.21, see page 740; for 14.22 and 14.23, see page 741; for 14.24 and 14.25, see page 742; for 14.26 and 14.27, see page 743; for 14.28 and 14.29, see page 744; and for 14.30 and 14.31, see page 748.

Question 14.15

14.15 Compare software.

The pooled standard error for the data in Example 14.13 is . Look at the software output in Figure 14.9.

  1. Explain to someone new to ANOVA why SAS labels this quantity as “Root MSE.”
  2. Excel does not report . How can you find its value from Excel output?

14.15

(a) can be found by taking the square root of the MSE. (b) Take the square root of the Within Groups MS.