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Frequency Form of Standard Deviation
$$\sigma=\sqrt{\frac{\sum f_ix_i^2}{N}-\bar{x}^2}$$
Usage
- Used to calculate standard deviation directly from frequency data.
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Frequency Form of Standard Deviation
$$\sigma=\sqrt{\frac{\sum f_ix_i^2}{N}-\bar{x}^2}$$
Usage
- Used to calculate standard deviation directly from frequency data.
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