1. 3.Which is the predictor variable (X) (predictor variable is the variable that is known and can be used to predcit values of another variable) and which is the criterion variable (Y) -( a criterion variable is the variable with unknown values that can be predicted given known values of the predictor variable) for each of the following examples?
2. A researcher tests whether the size of an audience can predict the number of mistakes a student makes during a classroom presentation.
3. A military officer tests whether the duration of an overseas tour can predict the morale among troops overseas.
4. A social psychologist tests whether the size of a toy in cereal boxes can predict preferences for that cereal.