Investigating Diversity

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Last updated 3:36 PM on 6/21/26
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11 Terms

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Random sampling

Selecting organisms using randomly generated coordinates

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Purpose of random sampling

Reduce bias and obtain a representative sample

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Why random sampling is repeated

Reduce the effects of chance and improve reliability

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Mean

Sum of values divided by number of values

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Median

Middle value

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Mode

Most common value

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Standard deviation

Measure of spread around the mean

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Small standard deviation

Data values are clustered close to the mean

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Large standard deviation

Data values are widely spread around the mean

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Error bars

Show standard deviation above and below the mean

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Long error bars indicate

Greater variation in the data