For #10 - 19: A researcher conducts an Independent-Measures study examining the effectiveness of a group exercise program on muscle strength at an assisted living facility for elderly adults. One...


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For #10 - 19: A researcher conducts an Independent-Measures study examining the effectiveness of a group<br>exercise program on muscle strength at an assisted living facility for elderly adults. One group of residents is<br>selected to participate in the new weight training program and a second group participates in a fitness walking<br>group. After 8 weeks, the researcher records a strength score for each individual. The data are as follows:<br>Here are some formulas and values to help:<br>Pooled Variance (s?,) = 14<br>Strength<br>Walking<br>Group<br>n = 28<br>Group<br>n = 14<br>2<br>,2<br>S(M,-M2)<br>+<br>M1 = 15<br>V n,<br>n2<br>t = M1 - M2 / S (M1-M2)<br>M2 =<br>= 12<br>16. What if there was a smaller difference between the two groups? That is, if M1 = 14 and M2 = 12. Then, what is<br>%3D<br>your t-statistic?<br>

Extracted text: For #10 - 19: A researcher conducts an Independent-Measures study examining the effectiveness of a group exercise program on muscle strength at an assisted living facility for elderly adults. One group of residents is selected to participate in the new weight training program and a second group participates in a fitness walking group. After 8 weeks, the researcher records a strength score for each individual. The data are as follows: Here are some formulas and values to help: Pooled Variance (s?,) = 14 Strength Walking Group n = 28 Group n = 14 2 ,2 S(M,-M2) + M1 = 15 V n, n2 t = M1 - M2 / S (M1-M2) M2 = = 12 16. What if there was a smaller difference between the two groups? That is, if M1 = 14 and M2 = 12. Then, what is %3D your t-statistic?

Jun 02, 2022
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