Histograms with unequal bar width

12 questions

1. Select the examples of discrete data.
2. When constructing a histogram with equal bar widths, select which of the following are important points to remember.
3. Here is a table showing the time people spent doing physical activity during a day. How many people spent more than 2 hours doing physical activity?
4. Here is a histogram showing times taken to complete an IQ test. What percentage of people took more than 10 minutes to complete the IQ test?
5. Here is a histogram showing how long people played a game for before they lost their first life. What percentage of people played for 20 seconds or more?
6. Here is a histogram showing how long people played a game for before they lost their first life. What percentage of people played for 40 seconds or more?
7. Match the type of density with the definition.
8. Which of the following explains why we plot continuous data with unequal bar widths against frequency density?
9. Match the frequency density with the correct class interval.
10. Match the frequency density with the correct class interval.
11. Here is a histogram showing the masses of different parcels. Which class interval shows for every 1 kg, there are 2 parcels?
12. Select which of the following is true given a histogram with unequal bar widths plotted against frequency density.

License: OGL