Page 4 of 4 13. Use the following information to construct a box and whisker plot (it doesn't have to be perfect!) : Pso = 26, Q, =16, Q, = 44.5, low value = 1, high value = 57 14. The mean of 10 numbers is 8. If an 11th number is now included in the results, the mean becomes 9. What is the value of the 11th number? Produce an algebraic solution. Guess and check is unacceptable