Quality control Sammys Salsa, a small local company, produces 20 cases of salsa a day
Chapter 11, Problem 33(choose chapter or problem)
Quality control Sammys Salsa, a small local company, produces 20 cases of salsa a day. Each case contains 12 jars and is imprinted with a code indicating the date and batch number. To help maintain consistency, at the end of each day, Sammy selects three jars of salsa, weighs the contents, and tastes the product. Help Sammy select the sample jars. Todays cases are coded 07N61 through 07N80. a) Carefully explain your sampling strategy. b) Show how to use random numbers to pick 3 jars. c) Did you get a simple random sample of the jars? Explain.
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