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Two populations parameters, Test Statistics
Transcript of Two populations parameters, Test Statistics
Thank you Prof. Alfarsi
Thank you Taibah University. Your welcome :)
Hope you enjoy..
Now.. your turn to play with formulas :) Tow populations are not normally distributed Tow populations are normally distributed Are tow population size large? No Yes Are tow population variances are known? Are tow population size large? Now .. you have free clicking
click above the arrows not on it!
and take your direction . Are tow population variances are equal? Yes No Yes Z t t' or Z Z or No No Are tow population variances are known? Yes Z Are tow population variances are equal? No Yes t t' Are tow population size large? Yes No No Are tow population variances are known? Yes Z Are tow population variances are equal? No Yes t' Z Non-parametric tests