Question
Distinguish between (a) continuous and (b) discrete variables.
Solution
Continuous Variables : If a variable can taken any numerical value within a certain range, it is called continuous variable. It passes one value to the next.
Discrete Variables : If a variable can taken only some particular value, it is called discrete variable. There are gaps between one value and the next possible one.
Example : Continuous Series :
|
Marks |
40–50 |
50–60 |
60–70 |
70–80 |
80–90 |
|
No. of Students |
3 |
8 |
14 |
19 |
8 |
Example : Discrete Series :
|
X |
10 |
15 |
20 |
30 |
35 |
40 |
