The null and alternate hypotheses are:

H₀:_d 0

H₁:_d> 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.

Day1234Day shift10121318Afternoon shift9101415

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 shiftas the first sample.

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

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

1. What is thep-value?

• Between 0.10 and 0.15
• Between 0.001 and 0.005
• Between 0.005 and 0.01

1. What is your decision regardingH₀?

• Do not rejectH₀
• RejectH₀

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