Tim and Jayne were discussing the following mock exam question. Here is some data about two groups of people listening to a radio station one day.
Percentage
Mean number of Range of number of
hours listening hours listening
13.8
Group Alpha 23
1.4
4.3
Group Beta 77
6.5
Compare the data for people in the Alpha group with people in the Beta group.
Make three comparisons.
Tim said he had struggled with the question.
Jayne said she had gained full marks by starting each comparison with,
Beta had a higher ...
Try and work out the three comparisons she used.
Write them on separate lines.
Total marks: 3