Extracted text: Problem Set 4 2. The following data were obtained from the liquid and plastic limit tests for a soil: Liquid Limit Test: Moisture content, w% 32.35 31.55 31.35 33.62 33.00 Number of blows, N 22 29 32 16 19.00 Plastic Limit Test: Moisture content = 20.62% a) Draw the flow curve from the liquid limit test data and find the liquid limit. (use excel to graph) b) What is the plasticity index of the soil?