Question: What is the value of x? In general, how is a value of x found? Use the following two control charts that result from testing

What is the value of x̅? In general, how is a value of x̅ found?

Use the following two control charts that result from testing batches of newly manufactured aircraft altimeters, with 100 in each batch. The original sample values are errors (in feet) obtained when the altimeters are tested in a pressure chamber that simulates an altitude of 6000 ft. The Federal Aviation Administration requires an error of no more than 40 ft at that altitude.

What is the value of x̅? In general, how is a value

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