Tests of significance in statistics ,Hypothesis Testing Problems - Z Test & T Statistics

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Hypothesis Testing Problems - Z Test & T Statistics
Statistics made easy ! ! ! Learn about the t-test, the chi square test, the p value and more
Tests of statistical significance is divided into 2 major categories. Parametric and Non Parametric test.
Indications of parametric test:
a. Normally distributed data
b. Metric scale of measurement
c. When means and standard deviations are to be compared.
Indications of non parametric test:
a. Skewed distribution.
b. Nominal and ordinal scale of measurement
c. When percentages and proportions are to be compared.