Asked by Leonel Mazariegos on Sep 26, 2024

If X and Y are independent variables with V(X)= 23.48 and V(Y)= 36.52,then the standard deviation of W = X + Y is σw = 7.746.

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are from the mean.

Independent Variables

Variables in an experiment or model that are manipulated or classified to determine their effect on dependent variables.

  • Comprehend and utilize the principles of covariance and correlation.