Jerome wants to find out whether boys at his school spend more time playing sport than girls at his school. Discuss how Jerome collect his data. You should think about:
What sets of data Jerome will need
Important Questions on Data Collection and Averages
Kira wants to investigate the mass of suitcases carried by male and female passengers flying from an airport. They range from to . She uses a data collection sheet to record the information.
| Mass, | _____ | _____ | _____ | _____ | |
| Male | |||||
| Female |
Complete the column headings so that all class intervals have equal width.
Eric wants to collect data about the height of trees in a woodland. Eric knows that no tree is taller than 40 metres. Copy and complete this data collection sheet by writing in suitable class intervals. All class intervals should have the same width.
| Height, | Tally | Total |
| _____ | ||
| _____ | ||
| _____ | ||
| _____ | ||
| _____ |
Harinder wants to record the mass of pineapples for sale in two supermarkets. She expects all pineapples to have a mass between and . Complete the headings of this data collection sheet so that it is suitable for recording the data. All intervals should have the same width.
| Mass, | __________ | _____ | _____ | _____ | _____ |
| Supermarket 1 | |||||
| Supermarket 2 |
Design a data collection sheet that could be used to record the ages of males and females watching a football match at a small stadium.
Channa works in a hospital. He designs this data collection sheet for recording the length (in cm) of the feet of new-born babies.
| Length, | Tally | Total |
Write down two problems with Channa's data collection sheet
Channa works in a hospital. He designs this data collection sheet for recording the length (in cm) of the feet of new-born babies.
| Length, | Tally | Total |
Design a better data collection sheet for Channa to use.
Gina designs a data collection sheet to record the number of cars passing her house every minute. She tests her data collection sheet by recording the number of cars for one-minute intervals.
| Number of cars | Tally | Total |
| Under | ||
| Over |
Explain why Gina should refine her data collection sheet.
Gina designs a data collection sheet to record the number of cars passing her house every minute. She tests her data collection sheet by recording the number of cars for one-minute intervals.
| Number of cars | Tally | Total |
| Under | ||
| Over |
Design a new data collection sheet that might be more suitable for Gina to use.
