Suppose that the distribution of a random variable X is symmetric with respect to the point x = 0 and that E(X4) < . Show that E[(X d)4] is minimized by the value d = 0.

1.1 Variable: a characteristic that varies from person to person, object to object, etc. Categorical: outcome/answer is a catagory Quantitative: outcome/answer is a number that represents a quantity Explanatory: explains the change in the response variable Response: changes based on the explanatory variable Case: is who/what we record the variable about Ex: The individual...