4. Plot the data given in the following table on an Extreme Value Type I probability scale (Gumbel paper) using the reduced variate y as the horizontal axis and discharge as the vertical axis. Use any suitable plotting position formula. What kind of distribution do you think the data belongs to? Estimate the 25 and 50 year oods. 17,600; 9260; 4300; 12,200; 9700; 7960; 3920; 4130; 3490; 21200; 6540; 12000; 1520; 3310; 20400; 9540; 2120; 3840; 13200; 4780; 4470; 15000; 2840; 16000; 3170; 3380; 3930