The null and alternative 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 | 14 | 11 | 14 | 19 |
Afternoon shift | 13 | 10 | 14 | 16 |
At the 0.01 significance level, can we conclude there are more defects produced on the Afternoon shift?
b. Compute the value of the test statistic. (Round the final answer to 3 decimal places.)
d. Determine the p-value. (Round the final answer to 4 decimal places.)
Let the sample of afternoon shift be 1 and day shift be 2. Then,
B.
D.
df = n-1
= 3
p-value = 0.9294
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