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Significant result if the true difference is d
The desired probability P of obtaining a. Expected difference due to new treatment or. - Does not wish to drop if new treatment is. - Discard the new treatment if slightly better. - New treatment better than the standard. Ha The pregnant women does require Cesarean. - Probability of accepting the Null Hypothesis. - Probability of rejecting the Null Hypothesis. - Hypothesis of one way or two way difference or. - Hypothesis of no difference or no effect. - Most frequently occurring observation. Graphical presentation/distribution of data. Determination of number of class intervals. Surveys, Clinical trials - Questionnaires andĮvents) Statistics - Analysis and Interpretation Some important concepts Data- Collection andĬompilation of relevant information Nature ofĭata -Raw and Processed Sources of Data. Title: Basic statistics and sample size calculation in Clinical Trialsīasic statistics and sample size calculation in
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