CAIE S1 2010 June — Question 1

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2010
SessionJune
TopicMeasures of Location and Spread
TypeCompare multiple measures numerically

1 The times in minutes for seven students to become proficient at a new computer game were measured. The results are shown below. $$\begin{array} { l l l l l l l } 15 & 10 & 48 & 10 & 19 & 14 & 16 \end{array}$$
  1. Find the mean and standard deviation of these times.
  2. State which of the mean, median or mode you consider would be most appropriate to use as a measure of central tendency to represent the data in this case.
  3. For each of the two measures of average you did not choose in part (ii), give a reason why you consider it inappropriate.