CAIE S1 2009 November — Question 6

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2009
SessionNovember
TopicData representation
TypeDraw histogram then perform calculations
6 The following table gives the marks, out of 75, in a pure mathematics examination taken by 234 students.
Marks\(1 - 20\)\(21 - 30\)\(31 - 40\)\(41 - 50\)\(51 - 60\)\(61 - 75\)
Frequency403456542921
  1. Draw a histogram on graph paper to represent these results.
  2. Calculate estimates of the mean mark and the standard deviation.
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