CAIE S1 2017 November — Question 2

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2017
SessionNovember
TopicData representation
TypeDraw cumulative frequency graph from frequency table

2 The time taken by a car to accelerate from 0 to 30 metres per second was measured correct to the nearest second. The results from 48 cars are summarised in the following table.
Time (seconds)\(3 - 5\)\(6 - 8\)\(9 - 11\)\(12 - 16\)\(17 - 25\)
Frequency10151742
  1. On the grid, draw a cumulative frequency graph to represent this information.
    \includegraphics[max width=\textwidth, alt={}, center]{ee1e5987-315b-48eb-8dba-b9d4d34c87c9-03_1207_1406_897_411}
  2. 35 of these cars accelerated from 0 to 30 metres per second in a time more than \(t\) seconds. Estimate the value of \(t\).