2. 外语
  3. Mr. Hernandez’s students filled out a survey asking how many hours each student watched television over 7 days. The results from

Mr. Hernandez’s students filled out a survey asking how many hours each student watched television over 7 days. The results from

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问题 Mr. Hernandez’s students filled out a survey asking how many hours each student watched television over 7 days. The results from the survey are shown below in a stem-and-leaf plot.

(Note: For example, 12 hours of television watched would have a stem value of 1 and a leaf value of 2)
Which of the following is the median number of hours of television watched during the week?
选项 A、6
B、12
C、15.5
D、16
E、21
答案D
解析 The correct answer is D. The median is the middle value in an ordered set of values. Based on the information given, the median of the set of values is 16.
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