1 33 2- The National Education Association collects data on the number of years of teaching experience of high school teachers. A sample taken this year of 20 high school teachers yielded the following data on number of years of teaching experience. 16 23 15 1,6, 9, 10, 14, 14, 6 20 14 15, 16, 16, 17, 17, 18, 18, 191,[20, 21, 23] 30, 30 14 37 18 17 33,31) a) [ 4 marks] Make a stemplot and describe the main features of the distribution. 18 9 1 19 16 10 21
b) [3 marks) Find the 5 number summary for these scores. Show all your work. 0 Five number 1 6 9 lian
c) [2 marks] Construct a box plot to illustrate these data. 404
d) [3 marks) Determine whether there are any outliers. Show your calculations to confirm your answer. Calculation on 6.14 1.