Problem

Peak force (N) on the hand was measured just prior to impact and just after impact on a...

Peak force (N) on the hand was measured just prior to impact and just after impact on a backhand drive for six advanced tennis players. The resulting data, from the paper “Forces on the Hand in the Tennis One- Handed Backhand” (International Journal of Sport Biomechanics [1991]: 282–292), are given in the accompanying table. Use the signed-rank test to determine if the mean postimpact force is greater than the mean preimpact force by more than 6.

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Solutions For Problems in Chapter 16