Devin T.

asked • 12/02/19

business statistics

The null and alternate hypotheses are:




H0 : μd ≤ 0


H1 : μd > 0




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.




Day

1 2 3 4

Day shift 10 12 13 18

Afternoon shift 9 10 14 15



At the 0.050 significance level, can we conclude there are more defects produced on the day shift? Hint: For the calculations, assume the day shift as the first sample.




State the decision rule. (Round your answer to 2 decimal places.)





Compute the value of the test statistic. (Round your answer to 3 decimal places.)





What is the p-value?




Between 0.10 and 0.15

Between 0.001 and 0.005

Between 0.005 and 0.01




What is your decision regarding H0?




Do not reject H0

Reject H0



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