The data relate to a sample of girls in Warsaw, the response variable indicating whether or not the girl has begun menstruation and the exploratory variable age in years (measured to the month). Plot...

The data relate to a sample of girls in Warsaw, the response variable indicating whether or not the girl has begun menstruation and the exploratory variable age in years (measured to the month). Plot the estimated probability of menstruation as a function of age, and show the linear and logistic regression fits to the data on the plot