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8 Cards in this Set
- Front
- Back
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Nominal |
data in the form of frequencies or categories. |
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Ordinal |
On a rating scale |
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Interval |
Time |
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Advantage of IQR |
not changed by very large or very small extremes |
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Disadvantage of IQR |
does not take all data into account |
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Standard deviation |
If the mean average is being used then the standard deviation is used to measure dispersion. Measures of how far a sample of scores typically spreads out or deviates from the mean. |
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Advantage of SD |
takes all the scores in the number sequence into account |
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Disadvantage of SD |
can be affected by very small or very large extreme numbers |
