Transformation of Mean and Variance
For:
$$y=a+bx$$
the mean is:
$$\bar{y}=a+b\bar{x}$$
and variance is:
$$\sigma_y^2=b^2\sigma_x^2$$
Usage
- Gives the complete transformation of mean and variance under a linear change.
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CAT Formulas
Statistics
Transformation of Mean and Variance
Transformation of Mean and Variance
For:
$$y=a+bx$$
the mean is:
$$\bar{y}=a+b\bar{x}$$
and variance is:
$$\sigma_y^2=b^2\sigma_x^2$$
Usage
- Gives the complete transformation of mean and variance under a linear change.
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