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India
Class X

Statistics on grouped data

Interactive practice questions

A survey was conducted which asked $30$30 people how many books they had read in the past month.

Number of books read Frequency
$1$1-$5$5 $2$2
$6$6-$10$10 $11$11
$11$11-$15$15 $15$15
$16$16-$20$20 $2$2

Based on the frequency table provided, which one of the following statements is not correct?

$11$11 people have read between $6$6 and $10$10 books in the past month.

A

$28$28 people have read at most $15$15 books in the past month.

B

We cannot determine from the table how many people have read exactly $12$12 books.

C

We can determine that $2$2 people have read exactly $5$5 books in the past month.

D
Easy
1min

Consider the table below.

Easy
5min

Consider the table below.

Easy
3min

Consider the table below.

Easy
3min
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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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