Question: Equality analysis wants to construct a sample mean chart for controlling a packaging process. he knows from past experience that whenever this process is in

Equality analysis wants to construct a sample mean chart for controlling a packaging process. he knows from past experience that whenever this process is in control, package weight is normally distributed with a mean of 20 ounces in standard deviation of 2 ounces. Each day last week, he randomly selected for packages and weighed each.

What is the mean of the sampling distribution of sample means when this process is in control?

A quality analyst wants to construct a sample mean chart for cont process is in control, package weight is normally distributed with randomly selected four packages and weighed each: Weight (ounces) 23 24 19 21 Day Monday Tuesday Wednesday Thursday Friday 19 21 20 19 20 What is the mean of the sampling distribution of sample means v O 18 ounces O 19 ounces O 20 ounces 21 Aunroe

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