Question

A consumer group purchases 49 family-size 20-ounce bottles of ketchup , weigh the contents of each, and finds that the mean weight is 19.75 ounces, and s = 0.25 ounces. Do the data provide sufficient evidence for the consumer group to conclude that the mean fill per family-size bottle is les than 20 ounces? Test using α = 0.05. Also, find the p-value of the your test.

Answer 1

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