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India
Class X

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
< 1min

Find the class centre for the class interval $\left(12-20\right)$(1220)

Easy
< 1min

Find the class centre for the class interval $17$17-$22$22.

Easy
< 1min

Some data is grouped into class intervals.

Easy
< 1min
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Outcomes

10.SP.S.1

Mean, median and mode of grouped data (bimodal situation to be avoided). Cumulative frequency graph.

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