CAIE S1 2013 June — Question 5

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2013
SessionJune
TopicMeasures of Location and Spread
TypeConstruct stem-and-leaf then find median and quartiles
5 The following are the annual amounts of money spent on clothes, to the nearest \(
) 10$, by 27 people.
10406080100130140140140
150150150160160160160170180
180200210250270280310450570
  1. Construct a stem-and-leaf diagram for the data.
  2. Find the median and the interquartile range of the data. An 'outlier' is defined as any data value which is more than 1.5 times the interquartile range above the upper quartile, or more than 1.5 times the interquartile range below the lower quartile.
  3. List the outliers.
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