CAIE S1 2022 November — Question 3

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2022
SessionNovember
TopicMeasures of Location and Spread
TypeConstruct back-to-back stem-and-leaf from raw data

3 The Lions and the Tigers are two basketball clubs. The heights, in cm, of the 11 players in each of their first team squads are given in the table.
Lions178186181187179190189190180169196
Tigers194179187190183201184180195191197
  1. Draw a back-to-back stem-and-leaf diagram to represent this information, with the Lions on the left.
  2. Find the median and the interquartile range of the heights of the Lions first team squad.
    It is given that for the Tigers, the lower quartile is 183 cm , the median is 190 cm and the upper quartile is 195 cm .
  3. Make two comparisons between the heights of the players in the Lions first team squad and the heights of the players in the Tigers first team squad.