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Univariate Analysis is one of the simplest forms of analyzing data. Based on this premise identify...

Univariate Analysis is one of the simplest forms of analyzing data. Based on this premise identify a parametric and non-parametric statistical test. state what the statistical test is used for and state 3 assumptions for each statistical test.

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For univariate analysis, our data should consists of only one variable. Parametric test used to analyze univariate data is : (A) t test for single population mean(one sample t test) Assumptions: (1) the parent population is normal. (2) sample observations are independent. (3) the population standard deviation is unknown. Nonparametric test used to analyze univariate data is : (A) one sample wilcoxon signed rank test : it is used to test wheter the median of sample is equal to known standard value. Assumptions are: (1) Difference between data values and hypothesized median are contineous. (2) difference between data values and hypothesized median are mutually independent. (3) scale of measurement of data should be ordinal.

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