Perform a Wilcoxon Sign-RankTest:

The data listed below compares the distance for tossing an object with the left hand and the right hand. The differences are calculated and ranked. The sum of the positive ranks and the sum of the negative ranks are listed on the worksheet. Use that information to determine whether there is a difference between the left and right hand on tossing an object. Usea = 0.05. The measurments are in inches.

A B C D E F G H 1 Wilcoxon Signed-Rank Test for Paired Samples 2 Rank of Positive Negative Person Right Left Diff Abs Diff Abs Diff Ranks Ranks 1 50 47 3 3 4.5 4.5 45 45 0 6 3 33 31 2 2 2.5 2.5 4 22 24 -2 2 2.5 2.5 8 S 99 78 21 21 14 14 79 76 3 3 4.5 4.5 10 4 13 -9 9 11 11 11 8 36 46 -10 10 12 12 12 9 62 45 17 17 13 13 13 10 51 44 7 9 9 14 11 27 23 4 6.5 6.5 15 12 15 14 1 1 16 13 26 34 -8 10 10 17 14 83 79 4 6.5 6.5 18 15 86 81 8 8 19 T 69.5 35.5