A sample of 20 employees from the local Honda plant was obtained and the length of time (in months) worked was recorded for cach employee. A stem-and-leaf plot of these data follows. In the...

Extracted text: A sample of 20 employees from the local Honda plant was obtained and the length of time (in months) worked was recorded for cach employee. A stem-and-leaf plot of these data follows. In the stem-and-leaf plot, 5/2 represents 52 months, 5| 24899 6 03567789 7347899 8. 9| 8 The mean length of time (in months) worked for these 20 employces is a) 66 b) 67 c) 67.5 d) 68.25 e) none of these