The correct value of the test statistic is
A. 47.4
B. -6.70
C. 3.19
D. -0.36
查看答案
The P-value associated with the test statistic is
A. 0.321
B. <0.0001
C. 0.05
D. 0.0233
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.
1.d1-f1之间的音级为：
A. 2度
B. 3度
C. 4度
D. 5度
基本音级之间可以构成的音程包括增五度。
A. 对
B. 错
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