Analysing different statistical representations

12 questions

1. In which of these statistical graphs can the frequency of the data set be seen from the graph alone?
2. Which of these statistical graphs is best at showing the change in the value of something over time?
3. Which of the following statements is true when describing the mode of these four bar charts?
4. Match the statements that summarise these bar charts to the value that end each sentence.
5. How much larger is the mode of this dot plot compared to its mean? ___
6. How much larger is the mean of this dot plot compared to its mode? Give your answer rounded to 1 decimal place. ___
7. Which of these statements is valid when comparing the height of Alex in year 6 to the "average" height of other year 6s at his primary school?
8. Select the data sets which match the following statistical summary: a range of 14
9. Which of these is a representative median of the data set that has following statistical summary: a mode at 54, a range of 14, a mean of approximately 50?
10. Sam asks 55 people how many times per month they visit the supermarket. Sam loses some of the data, but represents the rest on a bar chart. How many people's data did Sam lose? ___ people
11. Here is an incomplete bar chart for a data set. The range of the data set is 12 days. What is the maximum number of days per month that the people surveyed visited the supermarket? ___ days
12. This bar chart has missing bars. 50 people were surveyed. The range is 7. The frequency of 11 days is 3 greater than the frequency of 10 days. Work out the frequency for 10 days.

License: OGL