A factory kept track of its defectives (from random samples of 400 ) for 10 days and the following data was found:
Find the values for the central line, and determine the upper and lower control limits.

Question

A factory kept track of its defectives (from random samples of 400 ) for 10 days and the following data was found:
  Find the values for the central line, and determine the upper and lower control limits.

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The Answer of A factory kept track of its defectives (from random samples of 400 ) for 10 days and the following data was found:
  Find the values for the central line, and determine the upper and lower control limits.

A Factory Kept Track of Its Defectives (From Random Samples