Question: 14. There is less variability in X and Y among experienced pilots than among cadets. Restriction of range reduces r. 1. (a) Keith: 7.9, Bill:

14. There is less variability in X and Y among experienced pilots than among cadets. Restriction of range reduces r.

1.

(a) Keith: 7.9, Bill: 8.5, Charlie: 5.4, Brian: 4.1, Mick: 4.1

(b) 12.1, 22.5, 12.6, 23.1

(c) 27.8

(d) It would be larger.

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