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8 Cards in this Set
- Front
- Back
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Analysis of Variance (ANVOA)
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compares the mean values of 3 diff populations; may be performed using one or two variables
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Chi square test
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not a parametric statistical test but a categorical test; can only be used if both the dependent and independent variables are categorical and not numerical in nature;
ex) race - no numerical data (as opposed to age, which is numerical) |
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dependent t-test
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used to analyze the mean of one group at two different times
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independent t-test
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used to analyze the mean in two groups at one time
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Wilcoxon's test
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not a parametric test (which assumes a normal distribution of data around a mean)
used when distributions are abnormal, as occurs with unknown confounders, systematic error,s mall sample size or true coicident error |
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t test; "mr. T is mean"
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checks difference between the means of 2 groups
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ANOVA (ANalysis Of VAriance)
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checks the difference between the means of 3 or more groups
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X^2 test
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checks between 2 or mroe percentages of proportions of categorical outcomes (NOT mean values)
compares percentages (%) or proportions |
