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The common assumptions made when doing a t-test include those regarding the scale of measurement, random sampling, normality of data distribution, adequacy of sample size, and equality of variance ...
He currently researches and teaches economic sociology and the social studies of finance at the University of Lucerne in Switzerland.Adam's new book ... the t-test takes a sample from each ...
Central Limit Theorem: A sampling distribution of the mean is approximately normally ... Do problem 7.26 (p. 267 in the textbook). Do problem 7.27 (p. 267 in the textbook). A Gallup poll found that ...
and to view the resulting distribution of test statistics arising from simulation results. Developed by Michael Whitlock at The University of British Columbia. This web calculator conducts a ...
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