OCR MEI S1 2005 January — Question 1

Exam BoardOCR MEI
ModuleS1 (Statistics 1)
Year2005
SessionJanuary
TopicData representation
TypeDraw histogram from frequency table

1 The number of minutes of recorded music on a sample of 100 CDs is summarised below.
Time ( \(t\) minutes)\(40 \leqslant t < 45\)\(45 \leqslant t < 50\)\(50 \leqslant t < 60\)\(60 \leqslant t < 70\)\(70 \leqslant t < 90\)
Number of CDs261831169
  1. Illustrate the data by means of a histogram.
  2. Identify two features of the distribution.