The following table shows the number of defective


The following table shows the number of defective, acceptable, and superior items in samples taken both before and after the introduction of a modification in the manufacturing process.

 

Defective

Acceptable

Superior

Before 25

218

22

After 9

103

14

Is this change significant at the .05 level?

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Basic Statistics: The following table shows the number of defective
Reference No:- TGS01197049

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