Question
In this study, perform a t-test between group 0 and group 1 with an alpha of 0.05 and a power level of 80 percent. Estimate
In this study, perform a t-test between group 0 and group 1 with an alpha of 0.05 and a power level of 80 percent. Estimate the sample size you will require. Calculate the effect size of the different groups.
Table XI.1 Means and Variances in Laboratory Research study with two groups. WBC, RBC AND HGB GROUP AND CONTROL Independent Samples T-Test Independent Samples T-Test t df p WBC -0.945 137 0.346 RBC -2.068 137 0.041 HGB -2.604 137 0.010 Note. Student's t-test. Descriptive Group Descriptive Group N Mean SD SE WBC 0 70 7.531 3.404 0.407 1 69 8.162 4.412 0.531 RBC 0 70 4.723 0.713 0.085 1 69 4.968 0.684 0.082 HGB 0 70 13.167 1.877 0.224 1 69 13.952 1.669 0.201
Table XI.1 Means and Variances in Laboratory Research study with two groups. WBC, RBC AND HGB GROUP AND CONTROL Independent Samples T-Test
Descriptive
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