Suppose there's a constant c = 7. Let X denote the set of observations in the following dataset. x-x1-61. x2 26, x3 = 53, x4 = 22,xs-8) Let Y denote a new set of observations, such as Y ly: x1 c. y2 = x2C..... y5=xs*c). What is the sample mean for dataset Y? 439.5 238 O 22.215 O 41