Find the mean of the following distribution:
Variable (x) |
Frequency (f) |
5 |
6 |
15 |
4 |
25 |
9 |
35 |
6 |
45 |
5 |
In the distribution, the frequency of the class 3-5 is
4, 8, 3, 6, 7, 2, 3, 5, 9, 4, 6, 5, 5.
4
5
5
The range of the following frequency distribution is
2.7, 2.7, 2.8, 2.1, 2.4, 3.2, 2.1, 3.1, 2.8, 3.2.
In the distribution, the frequency of the class 0–5 is
0, 3, 2, 5, 8, 10, 13, 5, 6, 6, 14, 0.
11
2
3
3