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A researcher wants to see how men and women differ in their reaction to a headache medicine with respect to drowsiness. In

A researcher wants to see how men and women differ in their reaction to a headache medicine with respect to drowsiness. In

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter10: Matrices
Section10.EA: Extended Application Contagion
Problem 2EA
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QUESTION 26 A researcher wants to see how men and women differ in their reaction to a headache medicine with respect to drowsiness. In testing the hypotheses "P,-r,-0.10 VS.4,P,-P;<o.10 , the following statistics were obtained:. -10 x -208, n--250 and -15, where and x, represent the number X2=115, of patients in the two samples (men vs. women) who reported to have drowsiness as a result of taking headache medicine. What conclusion can we draw at the 10% significance level? The test statistic is: A. 0.233 B. -0.757 C. -0.993 D.-0,820
Transcribed Image Text:QUESTION 26 A researcher wants to see how men and women differ in their reaction to a headache medicine with respect to drowsiness. In testing the hypotheses "P,-r,-0.10 VS.4,P,-P;<o.10 , the following statistics were obtained:. -10 x -208, n--250 and -15, where and x, represent the number X2=115, of patients in the two samples (men vs. women) who reported to have drowsiness as a result of taking headache medicine. What conclusion can we draw at the 10% significance level? The test statistic is: A. 0.233 B. -0.757 C. -0.993 D.-0,820
QUESTION 22 Random samples from two normal populations produced the following statistics: si=32, n = 10, n2=15 and -2, Is there enough evidence at the 5% significance level to infer that the variance of Population 1 is larger than the variance of Population 2? The null and alternative hypotheses is: H- and H B. Ho:- =1 and H: C. H =1 and H: D. Ho: =0 and H:-
Transcribed Image Text:QUESTION 22 Random samples from two normal populations produced the following statistics: si=32, n = 10, n2=15 and -2, Is there enough evidence at the 5% significance level to infer that the variance of Population 1 is larger than the variance of Population 2? The null and alternative hypotheses is: H- and H B. Ho:- =1 and H: C. H =1 and H: D. Ho: =0 and H:-
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