Edexcel S1 2002 January — Question 1

Exam BoardEdexcel
ModuleS1 (Statistics 1)
Year2002
SessionJanuary
TopicData representation
TypeDraw cumulative frequency graph from frequency table

  1. (a) Explain briefly what you understand by
    1. a statistical experiment,
    2. an event.
      (b) State one advantage and one disadvantage of a statistical model.
    3. A meteorologist measured the number of hours of sunshine, to the nearest hour, each day for 100 days. The results are summarised in the table below.
    Hours of sunshineDays
    116
    \(2 - 4\)32
    \(5 - 6\)28
    712
    89
    \(9 - 11\)2
    121
    (a) On graph paper, draw a histogram to represent these data.
    (b) Calculate an estimate of the number of days that had between 6 and 9 hours of sunshine.