PDF chapter test TRY NOW
1. The frequency distribution:
| Marks | \(0 - 20\) | \(20 - 40\) | \(40 - 60\) | \(60 - 100\) |
| Number of students | \(10\) | \(15\) | \(20\) | \(25\) |
has been represented graphically as follows:
Do you think this representation is correct? Why?
2. Is it correct to say that in a histogram, the area of each rectangle is proportional to the class size of the corresponding class interval? If not, correct the statement.
Register for free to see more content