MA-646
Collecting and tabulating data
Lower Sec Maths · Secondary 1 · Medium · Collecting and tabulating data
A teacher wants to organise the masses (in kg) of 80 students, which range from 40 kg to 79 kg, into a frequency table. Which set of class intervals is the most suitable?
- 40–44, 45–49, 50–54, 55–59, 60–64, 65–69, 70–74, 75–79
- 40–45, 45–50, 50–55, 55–60, 60–65, 65–70, 70–75, 75–80
- 40–44, 46–50, 51–55, 56–60, 61–65, 66–70, 71–75, 76–79
- 40–49, 50–59, 60–79
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