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10 Cards in this Set
- Front
- Back
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Descriptive Statistics
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Numerical data used to measure and describe characteristics of groups
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Histogram
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A bar graph depicting a frequency distribution
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Mode
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The most frequently occurring scores in a distribution
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Mean
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The Arithmatic average of a distribution. (Add all scores then divide by the number of scores)
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Median
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The middle score in a distribution. half of the scores are above it and half are below it
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Skewed Distribution
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A representation of scores that lack symmetry around average value. (Peak of graph isnt in center)
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Range
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The difference between the highest and lowest scores in a distribution
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Standard Deviation
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A computed measure of how much scores vary around the mean score
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Normal Curve
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A bell shaped curve on a histogram (bar graph)
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Statistical Signifigance
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A statistical statement of how likely it is that an obtained result occured by chance
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