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Variance After Multiplication
If:
$$y_i=cx_i$$
then:
$$\sigma_y^2=c^2\sigma_x^2$$
Usage
- Used when every observation is multiplied by the same constant.
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Variance After Multiplication
If:
$$y_i=cx_i$$
then:
$$\sigma_y^2=c^2\sigma_x^2$$
Usage
- Used when every observation is multiplied by the same constant.
---
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