4.11. Look at distributions a and b. Note that a is more variable than b due to the difference in the lowest score. Calculate for each distribution using the raw-score formula. Notice the difference produced by changing one score. (LOs: 7)

a. 9, 8, 8, 7, 2

Click or tap here to enter text for question 4.11 a.

b. 9, 8, 8, 7, 6

Using the same method as above, I found that S=1.02. There was a large difference in variation with the change of just one score.