Calculate the value of the test statistic for the ttest for comparing the mean difference in EORTC
Question:
Calculate the value of the test statistic for the t‐test for comparing the mean difference in EORTC QLQ‐C30 physical function domain scores before and after exercise for the data in Table 7.14.
A. 0.23 B. 1.0 C. 1.1 D. 4.2 E. 4.8
Transcribed Image Text:
Degrees of freedom (df) T2 N Table 7.14 One-way ANOVA table to compare g group means. Source of Sums of variation squares (SS) Between SS Between=-9-1 Variance ratio F Mean square (MS) or variances SS Between MS Between MSBetween= F= g-1 MSWithin Groups i=1 g SSwithin Within SSWithin =S-N-g MSWithin= N-g Groups i=1 T Total SSTotal=S- N-1 N
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Medical Statistics A Textbook For The Health Sciences
ISBN: 9781119423645
5th Edition
Authors: Stephen J. Walters, Michael J. Campbell, David Machin
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