Find the mean, median, interquartile range and mean absolute deviation from the numbers 1, 1,4,8,9,3,and 8. and explain how you got them. also round to the nearest tenth if necessary.

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q