Question: A Quality Analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this process is

A Quality Analyst wants to construct a sample

A Quality Analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this process is under control package weight is normally debuted with a mean of twenty Ounces and a standard deviation of two ounces. Each day last week, he randomly selected four packages and weighed each with the following results Day Weightlouces 22 211 23 23 23 19 Tu Wednesday 10 20 18 24 2 24 15 20 20 20 22 15 20 Friday What is the same mean package weight for Thursday? Select one O. 206 Os O 20 unce Od 21 ounces e 19 ounce

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