# Question

A sample of 24 suitcases carried by an airline on transoceanic flights weighed 32.0, 46.4, 48.1, 27.7, 35.5, 52.6, 66.0, 41.3, 49.9, 36.1, 50.0, 44.7, 48.2, 36.9, 40.8, 35.1, 63.3, 42.5, 52.4, 40.9, 38.6, 43.2, 41.7, and 35.6 pounds. Test at the 0.05 level of significance whether the mean weight of suitcases carried by the airline on such flights is 37.0 pounds using the signed- rank test based on
(a) Table X;
(b) The results of Theorem 16.1.
Theorem 16.1
Under the assumptions required by the signed- rank test, T+ is a value of a random variable with the mean
And the Variance

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