2. (10 marks). People with diabetes must monitor and control their blood glucose level. The goal is to maintain "fasting plasma glucose" between about 90 and 130 milligrams per deciliter. Here are the fasting plasma glucose levels for 18 diabetics enrolled in a diabetes control class, five months after the end 141 158 112 153 134 95 of the class: 96 78 148 172 200 271 103 172 359 1451 147 255 (a) (3 marks). Complete Table I below for frequency and relative frequency. (b) (5 marks). Create the histogram for the frequency from Table I. (c) (2 marks). Based on this histogram, does the sample data appear to be normally distributed? Briefly explain why or why not. Table I Class Boundaries Frequency Relative Frequency 50 to less than 100 100 to less than 150 150 to less than 200 200 to less than 250 250 to less than 300 300 to less than 350 350 to less than 400 Totals