题目内容

Assuming that we define our differences as Time without standard work procedure – Time with standard work procedure, the correct alternative hypothesis is

A. µ d = 0.
B. µ d < 0.
C. µ d > 0.
D. µ d ≠ 0.

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The correct value of the test statistic is

A. 47.4
B. -6.70
C. 3.19
D. -0.36

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The P-value associated with the test statistic is

A. 0.321
B. <0.0001
C. 0.05
D. 0.0233

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At α = 0.05,

A. we reject the null hypothesis.
B. we fail to reject the null hypothesis.
C. we can conclude that having standard work procedures in place does not reduce troubleshooting time for this component.
D. Both A and C.

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1.d1-f1之间的音级为：

A. 2度
B. 3度
C. 4度
D. 5度

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Assuming that we define our differences as Time without standard work procedure – Time with standard work procedure, the correct alternative hypothesis is

A. µ d = 0. B. µ d < 0. C. µ d > 0. D. µ d ≠ 0.

The correct value of the test statistic is

The P-value associated with the test statistic is

At α = 0.05,

1.d1-f1之间的音级为：

A. µ d = 0.
B. µ d < 0.
C. µ d > 0.
D. µ d ≠ 0.