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A researcher conducts a hypothesis test to evaluate the effect of a treatment. The hypothesis test ...
Nwere
Nwere
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4 years ago
A researcher conducts a hypothesis test to evaluate the effect of a treatment. The hypothesis test ...
A researcher conducts a hypothesis test to evaluate the effect of a treatment. The hypothesis test produces a z-score of z = 2.37 . Assuming that the researcher is using a two-tailed test, what decision should be made?
a. The researcher should reject the null hypothesis with = .05 but not with = .01.
b. The researcher should reject the null hypothesis with either = .05 or = .01.
c. The researcher should fail to reject H0 with either = .05 or = .01.
d. Cannot answer without additional information
Question 2
Which of the following accurately describes the effect of increasing the alpha level?
a. Increases the standard error and has no effect on the risk of a Type I error
b. Decreases the standard error and has no effect on the risk of a Type I error
c. Increases the risk of a Type I error and has no effect on the standard error
d. Decreases the risk of a Type I error and has no effect on the standard error
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Michael876
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#1
4 years ago
Answer to q. 1
A
Answer to q. 2
C
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