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QUESTION
The following sample information shows the number of defective units produced on the day shift and the afternoon shift for a sample of four days last...
The following sample information shows the number of defective units produced on the day shift and the afternoon shift for a sample of four days last month:
1234 Day shift 10121511 Afternoon shift 891215
At the 0.05 significance level, can we conclude there are more defects produced on the Afternoon shift?
