# 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

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

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 $\left(12-20\right)$(1220)

Find the class centre for the class interval $\left(27-40\right)$(2740)

Some data is grouped into class intervals.