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9 Cards in this Set
- Front
- Back
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Mean is smaller than mode, shape of distribution is.. |
Skewed to the left |
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Best way to present categorical/qualitative data.. |
Grouped bar chart |
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Difference between ogive and frequency polygon |
Ogive - uses cumulative frequency Frequency polygon - uses frequency |
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If distribution skewed to the right, which measure of central tendency is largest? |
Mean |
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Best way to present quantitative data.. |
Histogram/frequency polygon |
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If level of measurement nominal, best central tendency to summarise? |
Mode |
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If level of measurement is ordinal, best? |
Median |
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If interval and ratio, and it is skewed? |
Median (best to represent outliers, is not affected by extreme values) |
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If interval or ratio, and it is not skewed? |
Mean |
