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Introduction to Statistical Analysis Using Graphpad Prism 6
This document outlines different statistical tests used for different types of variables and data distributions. For quantitative-quantitative data that is normally distributed, Pearson correlation or linear regression is used. For qualitative-quantitative data that is normally distributed, a Student's t-test is used. For repeated measurements on the same individual, a paired t-test is used if the data is normally distributed. Non-parametric tests like Wilcoxon rank sum are used for data that is not normally distributed.
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Introduction to Statistical Analysis Using Graphpad Prism 6
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- 12. Qualitative Dichotomus Quantitative Normally distributeddata Student's t Test Qualitative Polinomial Quantitative Normally distributed data ANOVA Quantitative Quantitative Repeated measurement of the Paired t TestQuantitative Quantitative Repeated measurement of the same individual & item (e.g. Hb level before & after treatment). Normally distributed data Paired t Test Quantitative - continous Quantitative - continous Normally distributed data Pearson Correlation & Linear Regresssion
- 13. Qualitative Dichotomus Quantitative Data notnormally distributed Wilcoxon Rank Sum Test or U Mann- Whitney Test Qualitative Quantitative Data not normally distributed Kruskal-Wallis OneQualitative Polinomial Quantitative Data not normally distributed Kruskal-Wallis One Way ANOVA Test Quantitative Quantitative Repeated measurement of the same individual & item Wilcoxon Rank Sign Test Quantitative - continous/ordina l Quantitative - continous Data not normally distributed Spearman/Kendall Rank Correlation
- 14. Variable 1 Variable2 Criteria Type of Test Qualitative Qualitative Sample size > 20 dan no expected value < 5 Chi Square Test (X 2 ) Qualitative Qualitative Sample size > 30 Proportionate TestQualitative Dichotomus Qualitative Dichotomus Sample size > 30 Proportionate Test Qualitative Dichotomus Qualitative Dichotomus Sample size > 40 but with at least one expected value < 5 X 2 Test with Yates Correction Qualitative Quantitative Normally distributed data Student's t TestQualitative Dichotomus Qualitative Dichotomus Sample size < 20 or (< 40 but with at least one expected value < 5) Fisher Test Qualitative Quantitative Data not normally distributed Wilcoxon Rank Sum
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- 37. • • Variable 1 Variable2 Criteria Type of Test Qualitative Qualitative Sample size > 20 dan no expected value < 5 Chi Square Test (X2 ) Qualitative Dichotomus Qualitative Dichotomus Sample size > 30 Proportionate Test Qualitative Dichotomus Qualitative Dichotomus Sample size > 40 but with at least one expected value < 5 X 2 Test with Yates Correction Qualitative Quantitative Normally distributed data Student's t TestQualitative Dichotomus Qualitative Dichotomus Sample size < 20 or (< 40 but with at least one expected value < 5) Fisher Test Qualitative Quantitative Data not normally distributed Wilcoxon Rank Sum
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- 48. • Qualitative Dichotomus Quantitative Normally distributeddata Student's t Test Qualitative Polinomial Quantitative Normally distributed data ANOVA Quantitative Quantitative Repeated measurement of the Paired t Test • • Quantitative Quantitative Repeated measurement of the same individual & item (e.g. Hb level before & after treatment). Normally distributed data Paired t Test Quantitative - continous Quantitative - continous Normally distributed data Pearson Correlation & Linear Regresssion
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- 68. Qualitative Dichotomus Quantitative Normally distributeddata Student's t Test Qualitative Polinomial Quantitative Normally distributed data ANOVA Quantitative Quantitative Repeated measurement of the same individual & item (e.g. Hb level before & after treatment). Normally distributed data Paired t Test Quantitative - continous Quantitative - continous Normally distributed data Pearson Correlation & Linear • continous continous & Linear Regresssion
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- 77. Qualitative Dichotomus Quantitative Normally distributeddata Student's t Test Qualitative Polinomial Quantitative Normally distributed data ANOVA Quantitative Quantitative Repeated measurement of the same individual & item (e.g. Hb level before & after treatment). Normally distributed data Paired t Test Quantitative - continous Quantitative - continous Normally distributed data Pearson Correlation & Linear • continous continous & Linear Regresssion
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