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A company is engaged in the packaging of superior quality tea in jars of 500 gm each. The company is of the view that as

Posted: Mon Sep 06, 2021 7:12 am
by answerhappygod
A company is engaged in the packaging of superior quality tea in
jars of 500 gm each. The company is of the view that as long as
jars contain 500 gm of tea, the process is in control. The standard
deviation is 50 gm. A sample of 225 jars is taken at random and the
sample average is found to be 510 gm. Has the process gone out of
control?