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T-test, f-test, Z-test ,chi square test. - Chanakya
www.chanakyagroupofeconomics.comChi square test Χtest is sampling analysis for testing significance of population variance. 2 Chi square is non parametric test, it can be used for test of goodness of fit r . Chi square test is use simple random sampling method. Χtest is introduced by- Karl Pearson.. 2 Chi square test’s value lies bw 0 to 1. 2
The Z-test - University of Washington
courses.washington.eduThe Z-test January 9, 2021 Contents Example 1: (one tailed z-test) Example 2: (two tailed z-test) Questions Answers The z-test is a hypothesis test to determine if a single observed mean is signi cantly di erent (or greater or less than) the mean under the null hypothesis, hypwhen you know the standard deviation of the population.