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investigate the effect of four treatments on change in body fat m. rowth hormone" and placebo "steroid" (denoted by P + P), (2) pla enoted by G+P), and (4) growth hormone and the steroid testos eatment. Carry out an F test to see whether true mean change in 05.) Change in Body Fat Mass (kg) Treatment P+P P+S 0.2 0.3 -3.6 -0.9 G + P -3.9 -3.1 G + I

investigate the effect of four treatments on change in body fat m. rowth hormone" and placebo "steroid" (denoted by P + P), (2) pla enoted by G+P), and (4) growth hormone and the steroid testos eatment. Carry out an F test to see whether true mean change in 05.) Change in Body Fat Mass (kg) Treatment P+P P+S 0.2 0.3 -3.6 -0.9 G + P -3.9 -3.1 G + I

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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To investigate the effect of four treatments on change in body fat mass each of 74 male subjects who were over age 65 was assigned at random to one of the following four treatments: (1) placebo "growth hormone" and placebo "steroid" (denoted by P + P), (2) placebo "growth hormone" and the steroid testosterone (denoted by P + S), (3) growth hormone and placebo "steroid" (denoted by G + P), and (4) growth hormone and the steroid testosterone (denoted by G + S). The accompanying table lists data on change in body fat mass over the 26-week period following the treatment. Carry out an F test to see whether true mean change in body fat mass differs for the four treatments if N = 74, grand total 7 = -158.3, and x = = -2.1392. (Use a significance level of 0.05.) T N Change in Body Fat Mass (kg) Treatment P + P P + S n x 5 5² 0.2 0.3 -1.6 -0.4 -2.2 1.2 0.7 -1.1 -0.1 1.8 1.1 0.5 The conclusion is the following. O reject Ho O fail to reject Ho 0.3 -1.4 -0.3 0.8 17 1.1392 -3.6 -0.9 0.3 -2.4 1.6 -1.5 1.3 -2.6 -3.4 0.3 0.5 -0.8 -0.2 -3.2 0.4 -0.6 -0.7 -0.6 -1.0 -2.1 -0.5 21 1.4874 1.2978 2.2125 G + P -3.9 -3.1 -4.8 -5.3 -2.1 -3.6 -4.3 -0.9 -1.9 -4.1 -1.8 -2.9 -1.7 co -2.8 -3.0 -2.8 -3.6 17 1.1850 G + S 1.4043 -5.1 -4.9 -3.1 -2.5 -6.3 -6.9 -4.4 -4.1 -5.3 -6.1 -4.1 -4.0 -3.2 -5.6 -4.4 0.0824 -0.9381 -3.0941 -4.6000 -4.4 -4.1 -4.1 -4.8 19 1.1155 1.2444 Calculate the test statistic. (Round your answer to two decimal places.) F = Use technology to find the P-value. (Round your answer to four decimal places.) P-value =
Transcribed Image Text:To investigate the effect of four treatments on change in body fat mass each of 74 male subjects who were over age 65 was assigned at random to one of the following four treatments: (1) placebo "growth hormone" and placebo "steroid" (denoted by P + P), (2) placebo "growth hormone" and the steroid testosterone (denoted by P + S), (3) growth hormone and placebo "steroid" (denoted by G + P), and (4) growth hormone and the steroid testosterone (denoted by G + S). The accompanying table lists data on change in body fat mass over the 26-week period following the treatment. Carry out an F test to see whether true mean change in body fat mass differs for the four treatments if N = 74, grand total 7 = -158.3, and x = = -2.1392. (Use a significance level of 0.05.) T N Change in Body Fat Mass (kg) Treatment P + P P + S n x 5 5² 0.2 0.3 -1.6 -0.4 -2.2 1.2 0.7 -1.1 -0.1 1.8 1.1 0.5 The conclusion is the following. O reject Ho O fail to reject Ho 0.3 -1.4 -0.3 0.8 17 1.1392 -3.6 -0.9 0.3 -2.4 1.6 -1.5 1.3 -2.6 -3.4 0.3 0.5 -0.8 -0.2 -3.2 0.4 -0.6 -0.7 -0.6 -1.0 -2.1 -0.5 21 1.4874 1.2978 2.2125 G + P -3.9 -3.1 -4.8 -5.3 -2.1 -3.6 -4.3 -0.9 -1.9 -4.1 -1.8 -2.9 -1.7 co -2.8 -3.0 -2.8 -3.6 17 1.1850 G + S 1.4043 -5.1 -4.9 -3.1 -2.5 -6.3 -6.9 -4.4 -4.1 -5.3 -6.1 -4.1 -4.0 -3.2 -5.6 -4.4 0.0824 -0.9381 -3.0941 -4.6000 -4.4 -4.1 -4.1 -4.8 19 1.1155 1.2444 Calculate the test statistic. (Round your answer to two decimal places.) F = Use technology to find the P-value. (Round your answer to four decimal places.) P-value =
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