Quality control. Sammys Salsa, a small local com-pany,
Chapter 12, Problem 33(choose chapter or problem)
Quality control. Sammys Salsa, a small local com-pany, produces 20 cases of salsa a day. Each case contains12 jars and is imprinted with a code indicating the dateand batch number. To help maintain consistency, at theend of each day, Sammy selects three jars of salsa, weighsthe contents, and tastes the product. Help Sammy selectthe sample jars. Todays cases are coded 07N61 through07N80.a) Carefully explain your sampling strategy.b) Show how to use random numbers to pick 3 jars.c) Did you use a simple random sample? Explain.
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