0 0 votes Consider the data set $14, 18, 14, 14, 10, 29, 33, 31, 25$. If you add $20$ to each of the values, then both mean and variance change both mean and variance are unchanged the mean is unchanged, variance changes the mean changes, the variance is unchanged Probability and Statistics gate2012 probability-and-statistics statistics mean-and-variance + – Milicevic3306 7.9k points answer comment Share Follow 0 reply Please log in or register to add a comment.