Edexcel S1 — Question 5

Exam BoardEdexcel
ModuleS1 (Statistics 1)
TopicData representation
TypeDraw histogram from frequency table
  1. The following data were collected by counting the number of cars that passed the gates of a college in 60 successive 5 minute intervals.
122019313235372926272017
1598111317172125272825
303237404545444742413638
353430302726292423212118
161619222628231715101213
  1. Make a stem and leaf diagram for this data, using the groups \(5 - 9,10 - 14 , \ldots , 45 - 49\). Show the total in each group and give a key to the diagram.
  2. Find the three quartiles for this data.
  3. On graph paper, draw a box plot for the data.
  4. Describe the skewness of the distribution.
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