4. A researcher administers a treatment to a sample of n = 25 participants and uses a hypothesis test to evaluate the effect of the treatment. The hypothesis test produces a 1.77. Assuming that the researcher is using a two-tailed test, Z-score of z a. The researcher should reject the null hypothesis with a = .05 but not with a = .01. b. The researcher should reject the null hypothesis with either a = .05 or a = .01. c. The researcher should fail to reject H, with either a = .05 or a = .01. %3D d. Cannot answer without additional information.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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4. A researcher administers a treatment to a sample of n = 25 participants and uses a
hypothesis test to evaluate the effect of the treatment. The hypothesis test produces a
z-score of z = 1.77. Assuming that the researcher is using a two-tailed test,
a. The researcher should reject the null hypothesis with a = .05 but not with a =
.01.
b. The researcher should reject the null hypothesis with either a = .05 or a = .01.
c. The researcher should fail to reject H, with either a = .05 or a = .01.
d. Cannot answer without additional information.
Transcribed Image Text:4. A researcher administers a treatment to a sample of n = 25 participants and uses a hypothesis test to evaluate the effect of the treatment. The hypothesis test produces a z-score of z = 1.77. Assuming that the researcher is using a two-tailed test, a. The researcher should reject the null hypothesis with a = .05 but not with a = .01. b. The researcher should reject the null hypothesis with either a = .05 or a = .01. c. The researcher should fail to reject H, with either a = .05 or a = .01. d. Cannot answer without additional information.
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