Question 4
The table shows the distribution of marks of students in a class test
(a) Using a graph sheet, draw a bar chart for the distribution.
(b) Calculate the mean mark of the distribution correct to the nearest whole number.
| Mark | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Fraquency | 5 | 6 | 5 | 3 | 4 | 2 |
(a) Using a graph sheet, draw a bar chart for the distribution.
(b) Calculate the mean mark of the distribution correct to the nearest whole number.
Theory