A researcher wants to know whether athletic women are more flexible than non-athletic women For this experiment, a woman who exercised vigorously at least four times per week was considered "athletic". Flexibility is measured in inches on a sit & reach box. A researcher tested his claim using the following summary statistics. Athletic women Non-athletic women n = 50 n=30 X=4.6 inches s=0.8 inches Assume that all conditions for testing have been met t = 1.626; p = 0.057, At the 1% significance level, state your decision regarding the null hypothesis and your conclusion about the original claim 5.0 inches s=1.4 inches C OA. Fail to reject the null hypothesis, there is not strong enough evidence to suggest that athletic women are more flexible, on average, than non-athletic women. OB. Fail to reject the null hypothesis, there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women. OC. Reject the null hypothesis, there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women. OD. Reject the null hypothesis; there is strong evidence to suggest that athletic women are more flexible, on average, than non-athletic women

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
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A researcher wants to know whether athletic women are more flexible than non-athletic women. For this experiment, a woman who exercised vigorously at least four times per week was considered "athletic".
Flexibility is measured in inches on a sit & reach box. A researcher tested his claim using the following summary statistics:
Athletic women
n = 50
5.0 inches
s=1.4 inches
Non-athletic women
n = 30
x=4.6 inches
s=0.8 inches
Assume that all conditions for testing have been met t = 1.626; p = 0.057, At the 1% significance level, state your decision regarding the null hypothesis and your conclusion about the original claim
OA. Fail to reject the null hypothesis, there is not strong enough evidence to suggest that athletic women are more flexible, on average, than non-athletic women
OB. Fail to reject the null hypothesis, there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women.
OC. Reject the null hypothesis; there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women.
OD. Reject the null hypothesis; there is strong evidence to suggest that athletic women are more flexible, on average, than non-athletic women.
Transcribed Image Text:A researcher wants to know whether athletic women are more flexible than non-athletic women. For this experiment, a woman who exercised vigorously at least four times per week was considered "athletic". Flexibility is measured in inches on a sit & reach box. A researcher tested his claim using the following summary statistics: Athletic women n = 50 5.0 inches s=1.4 inches Non-athletic women n = 30 x=4.6 inches s=0.8 inches Assume that all conditions for testing have been met t = 1.626; p = 0.057, At the 1% significance level, state your decision regarding the null hypothesis and your conclusion about the original claim OA. Fail to reject the null hypothesis, there is not strong enough evidence to suggest that athletic women are more flexible, on average, than non-athletic women OB. Fail to reject the null hypothesis, there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women. OC. Reject the null hypothesis; there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women. OD. Reject the null hypothesis; there is strong evidence to suggest that athletic women are more flexible, on average, than non-athletic women.
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