Statistics
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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