Central Tendencyhard
0:00.0

A dataset X={x1,x2,,xn}X = \{x_1, x_2, \dots, x_n\} has a mean μ=50\mu = 50 and variance σ2=25\sigma^2 = 25. If we transform the dataset to Y={y1,y2,,yn}Y = \{y_1, y_2, \dots, y_n\} using yi=32xiy_i = 3 - 2x_i, what are the mean μY\mu_Y and variance σY2\sigma_Y^2 of YY?