Defective items: The number of defective items produced on an assembly line during an hour is counted for a random sample of 20 hours. The results are as follows. 21 1 6 2 9 27 10 N DO w + 29 14 11 16 19 13 9 Send data to Excel Part: 0 / 2 Tables Part 1 of 2 (a) Construct a stem-and-leaf plot for the number of defective items. (0 to 4) (5 to 9) (10 to 14) X (15 to 19) (20 to 24) (25 to 29) Skip Part Check