# When to use? Inferential Tests

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Spearman's Rho
When the hypothesis states a correlation. When two sets of data are pairs - they are related. When data is ordinal or interval.
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Chi-Square
Hypothesis states difference between two consitions OR association between co-variables. When data sets are independent. When data is nominal (NOT PERCENTAGES).
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Mann-Whitney U
When hypothesis states a difference between data sats. When the two sets of data are from independent groups. When data is ordinal or interval.
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Wilcoxon T
When the hypothesis states a difference between data sets. When the data sets are from repeated measures. When data is ordinal or interval.
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When hypothesis states a difference between data sats. When the two sets of data are from independent groups. When data is ordinal or interval.
Mann-Whitney U
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When the hypothesis states a correlation. When two sets of data are pairs - they are related. When data is ordinal or interval.
Spearman's Rho
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When the hypothesis states a difference between data sets. When the data sets are from repeated measures. When data is ordinal or interval.
Wilcoxon T
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Hypothesis states difference between two consitions OR association between co-variables. When data sets are independent. When data is nominal (NOT PERCENTAGES).
Chi Square
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Nominal Data
Data are in separate categories (Such as grouping people into 'tall' 'medium' and 'short' height.
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Interval Data
Data are measured using units of equal intervals
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Ordinal Data
Data is ordered in some way (such as lining people up from tallest to shortest)
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## Other cards in this set

### Card 2

Chi-Square

#### Back

Hypothesis states difference between two consitions OR association between co-variables. When data sets are independent. When data is nominal (NOT PERCENTAGES).

Mann-Whitney U

Wilcoxon T

### Card 5

#### Front

When hypothesis states a difference between data sats. When the two sets of data are from independent groups. When data is ordinal or interval.