Suppose a researcher is interested in the effect of a new treatment drug at increasing CD4 count in patients with HIV. In this study, each patient treated with the study drug is frequency paired with another patient on a number of characteristics treated with a placebo to insure independence among samples. Assume the following sample of participants enrolled in the study represents an appropriate approximation to the normal distribution. A 347 A’ 326 B 346 B’ 321 C 338 C’ 314 D 334 D’ 316 E 342 E’ 30 B) Carry out a paired-sample t test to investigate the effectiveness at increasing CD4 count in immunocompromised patients. Write out the null and alternative hypotheses using an α=0.05, and correctly interpret your results.
Suppose a researcher is interested in the effect of a new treatment drug at increasing CD4 count in patients with HIV. In this study, each patient treated with the study drug is frequency paired with another patient on a number of characteristics treated with a placebo to insure independence among samples. Assume the following sample of participants enrolled in the study represents an appropriate approximation to the
A 347
A’ 326
B 346
B’ 321
C 338
C’ 314
D 334
D’ 316
E 342
E’ 30
B) Carry out a paired-sample t test to investigate the effectiveness at increasing CD4 count in immunocompromised patients. Write out the null and alternative hypotheses using an α=0.05, and correctly interpret your results.
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