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Ice Cream Cones McDonald’s claims that its ice cream cones typically weigh 3.18 ounces (converted from grams). Here are the weights, in ounces, of cones purchased on different days from different servers:
4.2, 3.6, 3.9, 3.4, and 3.3
Carry out a sign test to determine whether the median is greater than 3.18 ounces. Use a significance level of 0.05. Why is the sign test a more appropriate choice than the one-sample
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Introductory Statistics (2nd Edition)
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