As part of a survey, 19 adults were asked, "How many hours did you spend at your job last week?" The results are shown in the stem-and-leaf display below.
Use the display to answer the questions that follow.
Number of hours worked last week.
2167
312233679
4025668
545
Key: 21 means 21 hours.
(a) What was the highest number of hours worked in the 30s? -
(b) What was the least number of hours worked overall?
(c) How many responses fell in the 50s?
