If the mean of the following distribution is 27, then find the value of p.
|
Class |
0-10 |
10-20 |
20-30 |
30-40 |
40-50 |
|
Frequency |
8 |
p |
12 |
13 |
10 |
Asked by Topperlearning User
4th June 2014,
1:23 PM
Answered by Expert
Answer:
|
Class |
Class Marks (x) |
Frequency (f) |
fx |
|
0-10 |
5 |
8 |
40 |
|
10-20 |
15 |
p |
15p |
|
20-30 |
25 |
12 |
300 |
|
30-40 |
35 |
13 |
455 |
|
40-50 |
45 |
10 |
450 |
|
|
|
|
|
Mean = 
Answered by Expert
4th June 2014,
3:23 PM
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