Page 25 - 新思维数学学生用书3 样章
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2 Statistics: tally charts and frequency tables
2.1 Tally charts and frequency tables
We are going to …
• conduct investigations to answer non-statistical and
statistical questions
• record, organise and represent data using a tally chart
and a frequency table
• describe data and discuss conclusions.
You are planning a party
for your class. You want
to know what drinks to
order. What question What is your
could you ask? favourite drink?
You could record your
data in a tally chart.
Tally charts are used to collect data quickly.
A tally chart uses marks. The marks are grouped in fives.
1 6
frequency table
2 7 survey
3 8
4 9
5 10
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