Comparing data sets in context

12 questions

1. Which is the modal class?
2. Which class contains the median value?
3. The mean of this list of data: 65, 45, 72, 39, 42, 76, 32, 63, 54, 55 is ___.
4. Which of these calculations is correct for finding an estimate of the range?
5. A football coach records the number of goals scored in their team's last 50 matches and records the results in a table. The mean number of goals per match is ___ goals.
6. A gardener records the heights of tomato plants in their greenhouse. An estimate of the mean for this data is ___ cm.
7. Laura and Jun compare their mean scores on their recent tests. Laura has a mean of 75% and Jun has a mean of 83%. Which statements are true?
8. The wages of two companies have been analysed. The mean average suggests that company ___ pays its employees more.
9. The wages of two companies have been analysed. The median average suggests that company ___ pays its employees more.
10. The wages of two companies have been analysed. The modal average suggests that company ___ pays its employees more.
11. The wages of two companies have been analysed. The summary statistics suggest that ...
12. An advert for insulation claims that all homeowners with their insulation save £180 per year on heating bills. This claim is based on the mean average price reduction. Is this a fair claim?

License: OGL