QUANTITATIVE REASONINGThe research need involving the experimental treatment of 12 prostate malignant neoplastic disease patients clinically diagnosed at stage 4 showed that the entertain livelihood span after treatment was 10 .75 , with a standard deviation of 11 .02 It is known that the correspond keep span of untreated prostate cancer patients at the same clinical stage 4 is 9 .6 , with a standard deviation of 3 .2 . The difference in life span between the experimental and the control assemblys is not straight enough to convince the committee that the novel treatment for prostate cancer is effective enough for further testing . In addition , the standard deviation derived from the experimental assort indicates that the scattering of the life spans of these 12 patients were scattered along a round-eyed range , unli ke that of the untreated or control theme , which shows a smaller standard deviation value of 3 .2 .
The lower standard deviation value of the control conference is more reliable because it reflects that there are little differences in the life span of the patients in this groupThe size of the take aim lean is also questionable because only 12 prostate cancer patients were included in the study . If the research study is beggarly to be an experimental treatment or clinical examination , it would be more convincing if a big study population were involved in the investigation . A larger study group would eliminate chances of bias and would also be ! resistant to outliers or values that are extremely towering or low . It is...If you want to get a lavishly essay, order it on our website:
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