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Summation and Presentation of Data
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analysis of variance antitussive binomial binomial distribution calculate cent Chapter class mark column complementary event confidence limits contingency table correlation coefficient course critical value D.F. we find degrees of freedom diet divided double-blind entries equal numbers error variance estimate expected number experiment f-test favourable frequency give given grand mean greater groups hence High Dose highly significant improved by drug individual observations large number litters Low Dose mean square measurements median method normal distribution null hypothesis number of D.F. number of observations number of patients nx and n2 observed value one-tailed test outcomes Poisson Distribution probability of getting probability of obtaining procedure random allocation random numbers random sampling rats reader remainder response scale scores sets of observations simply standard deviation standard error statistics subjects subtracting sum of squares Suppose Table iv.4 Table vn.9 tabulated test of significance tion total number total sum two-tailed test variance ratio variation x2 test