If the mean of the following distribution is 27, then the value of p is :
Class Frequency
0 – 10 8
10 – 20 p
20 – 30 12
30 – 40 13
40 – 50 10
6
7
9
11
Measures of Central Tendency
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Question

If the mean of the following distribution is 27, then the value of p is : Class | Frequency ----|---- 0 – 10 | 8 10 – 20 | p 20 – 30 | 12 30 – 40 | 13 40 – 50 |10 1. 6 2. 7 3. 9 4. 11

KnowledgeBoat · Accepted Answer

Class | Frequency (f)|Class mark(x)|fx ----|----|----|---- 0 – 10 | 8|5|40 10 – 20 | p|15|15p 20 – 30 | 12|25|300 30 – 40 | 13|35|455 40 – 50 |10|45|450 Total| f = 43 + p|| fx = 1245 + 15p By formula, Hence, option 2 is the correct option.

Mathematics

If the mean of the following distribution is 27, then the value of p is :
Class Frequency
0 – 10 8
10 – 20 p
20 – 30 12
30 – 40 13
40 – 50 10
6
7
9
11

Measures of Central Tendency

Related Questions

If the mean of the following data is 25, the value of p is equal to :
x f
5 3
15 p
25 3
35 6
45 2
2
3
4
5

Consider the table given below :
Marks Number of students
0 – 10 12
10 – 20 18
20 – 30 27
30 – 40 20
40 – 50 17
50 – 60 6
The mean of the marks given above is :
6
18
27
28

The mean of 5 numbers is 27. If one of the numbers be excluded, their mean is 25. The excluded number is :
25
26
28
35

For what value of x the mean of the given observations (2x − 5), (x + 3), (7 − x), (5 − x) and (x + 9) with frequencies 2, 3, 4, 6 and 1 respectively is 4?
1
2
3
4

Marks	Number of students
0 – 10	12
10 – 20	18
20 – 30	27
30 – 40	20
40 – 50	17
50 – 60	6

Mathematics

If the mean of the following distribution is 27, then the value of p is :ClassFrequency0 – 10810 – 20p20 – 301230 – 401340 – 501067911

Measures of Central Tendency

Related Questions

If the mean of the following data is 25, the value of p is equal to :xf5315p2533564522345

Consider the table given below :MarksNumber of students0 – 101210 – 201820 – 302730 – 402040 – 501750 – 606The mean of the marks given above is :6182728

The mean of 5 numbers is 27. If one of the numbers be excluded, their mean is 25. The excluded number is :25262835

For what value of x the mean of the given observations (2x − 5), (x + 3), (7 − x), (5 − x) and (x + 9) with frequencies 2, 3, 4, 6 and 1 respectively is 4?1234

If the mean of the following distribution is 27, then the value of p is :
Class Frequency
0 – 10 8
10 – 20 p
20 – 30 12
30 – 40 13
40 – 50 10
6
7
9
11

If the mean of the following data is 25, the value of p is equal to :
x f
5 3
15 p
25 3
35 6
45 2
2
3
4
5

Consider the table given below :
Marks Number of students
0 – 10 12
10 – 20 18
20 – 30 27
30 – 40 20
40 – 50 17
50 – 60 6
The mean of the marks given above is :
6
18
27
28

The mean of 5 numbers is 27. If one of the numbers be excluded, their mean is 25. The excluded number is :
25
26
28
35

For what value of x the mean of the given observations (2x − 5), (x + 3), (7 − x), (5 − x) and (x + 9) with frequencies 2, 3, 4, 6 and 1 respectively is 4?
1
2
3
4