What do you do first to find the median of a set of data?
  • Add all the values together
  • Cross off the highest and lowest values
  • Group the frequencies
  • Put data values in order of size
If there is an even number of values in the ordered set, the median is .......
  • halfway between the two middle values
  • halfway between the first and last values
  • the difference between the two middle values
  • the sum of the two middle values
In a set of 20 data values in ascending order, the 10 is 22 and the 11 isWhat is the median?
  • 21
  • 22
  • 23
  • 24
The top five boys' names in order of popularity are Oliver, Jack, Ben, Matthew and James. What is the median of this set?
  • James
  • Oliver
  • Ben
  • None of these
Six children recorded their times (in minutes) to do a jigsaw: 12, 10, 15, 19, 11,What is the range of these times?
  • 9 minutes
  • 12 minutes
  • 15 minutes
  • 19 minutes
What is the median time for completing the jigsaw?
  • 12.5 minutes
  • 13 minutes
  • 13.5 minutes
  • 14 minutes
Three more children completed the jigsaw. Their times were 8, 10 and 24 mins. What is the median now?
  • 10 minutes
  • 12 minutes
  • 14 minutes
  • 16 minutes
What is the range of the jigsaw times now?
  • 10 minutes
  • 12 minutes
  • 14 minutes
  • 16 minutes
The one extra large value in the set is called an .......
  • outcrop
  • outlier
  • outline
  • outrage
A small range of values indicates a .......
  • greater consistency of the data
  • smaller median
  • smaller number of data values
  • higher average
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