Infant weighs in Nahya a study of nutrition in developing countries collected data from Egyptian village of nahya. Reasearchers recorded recorded the mean weight in kilograms for 170 infants in Nahya each month during the first year of life he has to user of statistics enter the data into the software and computers the least squares line without looking at the scatterplot the result is wight=4.88 + 0.267. Use the residual plot to determine plot to determine if this linear model is appropriate.