Short Answer TypeCalculate of arithmetic mean of the following frequency distribution.
|
Class Interval |
Frequency |
|
0-20 |
12 |
|
20-40 |
18 |
|
40-60 |
15 |
|
60-80 |
25 |
|
80-100 |
26 |
|
100-120 |
15 |
|
120-140 |
9 |
Find the mean of the following data :
|
Classes |
Frequency |
|
0-100 |
12 |
|
100-200 |
18 |
|
200-300 |
40 |
|
300-400 |
17 |
|
400-500 |
13 |
The arithmetic mean of the following frequency distribution is 50. Find the value of P.
|
Classes |
Frequency |
|
0-20 |
17 |
|
20-40 |
P |
|
40-60 |
32 |
|
60-80 |
24 |
|
80-100 |
19 |
The arithmetic mean of the following frequency distribution is 53. Find the value of P.
|
Classes |
Frequency |
|
0-20 |
12 |
|
20-40 |
15 |
|
40-60 |
32 |
|
60-80 |
P |
|
80-100 |
13 |
The arithmetic mean of the following frequency distribution is 52.5. Find the value of P.
|
Classes |
Frequency |
|
0-20 |
15 |
|
20-40 |
22 |
|
40-60 |
37 |
|
60-80 |
P |
|
80-100 |
21 |
The arithmetic mean of the following frequency distribution is 47. Determine the value of P.
|
Classes |
Frequency |
|
0-20 |
8 |
|
20-40 |
15 |
|
40-60 |
20 |
|
60-80 |
P |
|
80-100 |
5 |
The arithmetic mean of the following frequency distribution is 50. Determine the value of P.
|
Classes |
Frequency |
|
0-20 |
16 |
|
20-40 |
P |
|
40-60 |
30 |
|
60-80 |
32 |
|
80-100 |
14 |
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