1. Consider the data set 4 4 9 9 5 9 1 Find the average (mean): Find the median: 2. Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude). This year's results were: Aptitude Score 0 2 3 4 5 Frequency 2 5 0 3 2 The average (mean) aptitude score: The median aptitude score:3. Find the 5 number summary for the data shown 9 15 17 24 28 33 42 51 57 62 71 74 97 98 5 number summary: 4. 10 11 12 13 14 15 16 17 18 data Q Based on the boxplot above, identify the 5 number summary5. The boxplot below shows salaries for Actuaries and CPAs. CP.A Actuary 20 30 40 50 60 70 80 90 100 Salary (thousands of $) Q Matt makes the first quartile salary for an Actuary. Emiliano makes the third quartile salary for a CPA. Who makes more money? How much more? 6 A sample was done, collecting the data below. Calculate the standard deviation, to one decimal place. X 26 12 28 187. Calculate the average (mean) of the data shown, to two decimal places X 18.5 27.7 22.4 20.3 4.8