In a sample of 200 racquetball players, 120 indicated they prefer Penn racquetballs, 75 favored Ektelon, and 5 were indifferent. We want to use the sign test to determine if there is evidence of a significant difference in the preferences for the two types of racquetballs.
a.Provide the hypotheses to be tested.
b.Compute the mean.
c.Compute the standard deviation.
d..
At 95% confidence, test to determine if there is evidence of a significant difference in the preferences for the two types of racquetballs.

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The Answer of In a sample of 200 racquetball players, 120 indicated they prefer Penn racquetballs, 75 favored Ektelon, and 5 were indifferent. We want to use the sign test to determine if there is evidence of a significant difference in the preferences for the two types of racquetballs.
a.Provide the hypotheses to be tested.
b.Compute the mean.
c.Compute the standard deviation.
d..
At 95% confidence, test to determine if there is evidence of a significant difference in the preferences for the two types of racquetballs.

In a Sample of 200 Racquetball Players, 120 Indicated They