Which statement is a valid statistical interpretation of the total variation accounted for in this model is 66.3? 1) The model explains 66.3% of the total variation in the data. 2) The model accounts for 66.3% of the total variation in the data. 3) The model predicts 66.3% of the total variation in the data. 4) The model measures 66.3% of the total variation in the data.