| How to use Statistical Tools for Analysis |
[Parametric] |
[Non-parametric] |
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Target Variables |
Weight, Height etc. |
strongly disagree - strongly agree High- Medium- Low |
Male/ Female SC / ST / OBC / Gen |
Describe one group |
Min,Max, Mean, Median, Standard deviation |
Median, Mode, frequency, percentage Pie Chart, Bar Diagram |
Mode, frequency, percentage Pie Chart, Bar Diagram |
Relationship between two variables |
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Compare one group to a hypothetical value |
(Single sample mean test) |
Wilcoxon rank sum test (Single sample Median test) |
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Compare two unpaired groups |
(Interval also) |
Chi square test for large sample Fisher's exact test for small sample (one or more of the Expected cell count in a 2×2 table is less than 5) |
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Compare two paired groups |
(Interval also) |
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Compare three or more unpaired groups |
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Compare three or more paired groups |
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Predict value from one independent variable |
Non-parametric regression |
Simple logistic regression |
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Predict value from several variable |
Multiple Regression/Multiple nonlinear regression |
Multiple logistic regression |
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