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Exercise 1.120 points} Suppose for a sample of 31] households selected, the number of living in each was reported as follows. Compute the mean, median, mode, range, lower and upper quartiles for these data. Exercise 2. {20 points! For each of the following, find the limits, if it exists 3} Haz + 3x 4-] . 4x2+9 b} inn 3 x-o-Hu x 6\ +3 Exercise 3. {20 points! Compute the following a, La :3: in a bi ls 12l'lu 1 Exercise 4. {20 points! Calculate the inverse of the given matrix 5 2 l] 2 3 1 4 1 2 Exercise 5. Find the relative extrema. x} = 5x3 3x4