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5 Cards in this Set
- Front
- Back
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Normal Distribution
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bell-shaped frequency distribution, 68% of the values lie within one standard Deviation of the mean
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Mean
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calculated by dividing the sum of the values by the number of values
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Standard Deviation
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used to assess how far the values are spread above and below the mean. A high sd shows that the data are widely spread.
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Error bars
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bars on graps extending above and below the mean value, show the variability of the data
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T-Test
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The t-Test can be used to find out whether there is a statistically significant difference between the means of two populations.
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