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Variance Under Translation
If:
$$y_i=x_i+a$$
then:
$$\sigma_y^2=\sigma_x^2$$
Usage
- Adding or subtracting the same constant from every observation does not affect variance.
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Variance Under Translation
If:
$$y_i=x_i+a$$
then:
$$\sigma_y^2=\sigma_x^2$$
Usage
- Adding or subtracting the same constant from every observation does not affect variance.
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