Data Analysis
Hong Kong
Stage 1 - Stage 3
Grouped Data
Interactive practice questions
What would be the most appropriate way of representing data from:
a
A survey conducted of $1000$1000 people, asking them how many languages they speak?
Leaving the data ungrouped and constructing a frequency table
A
Grouping the responses and constructing a frequency table
B
b
A survey conducted of $1000$1000 people, asking them how many different countries they know the names of?
Grouping the responses and constructing a frequency table
A
Leaving the data ungrouped and constructing a frequency table
B
Easy
Less than a minute
Find the class centre for the class interval $\left(12-20\right)$(12−20)
Find the class centre for the class interval $\left(27-40\right)$(27−40)
Some data is grouped into class intervals.
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