Data for weight (in kilograms) and height (in inches) of babies is entered into a statistics software package and results in a regression equation of = 1.2x – 20.7. What is the correct interpretation of the slope if the weight is the response variable and the height is the explanatory variable? The weight of a baby increases by 1.2 kilograms, on average, when the baby's height increases by 1 inch. The weight of a baby decreases by 20.7 kilograms, on average, when the baby's height increases by 1 inch. The weight of a baby increases by 20.7 kilograms, on average, when the baby's height increases by 1 inch. The weight of a baby decreases by 1.2 kilograms, on average, when the baby's height increases by 1 inch