|
Calculate the number of shops corresponding to class interval 30-40 of the following distribution
|
|
1
|
3399
|
January 22, 2017
|
|
Find out arithmetic mean using the step deviation method
|
|
1
|
3831
|
January 22, 2017
|
|
A book seller has 150 books of Economics and Accountancy
|
|
1
|
2621
|
January 22, 2017
|
|
The mean of 200 items was 50.Later it was discovered that two items,
|
|
1
|
2816
|
January 22, 2017
|
|
There are two factories employing 100 and 80 men, respectively
|
|
1
|
3812
|
January 22, 2017
|
|
Find out the missing item x of the following distribution
|
|
1
|
3066
|
January 22, 2017
|
|
The sales of a balloon seller in seven days of a week
|
|
1
|
3520
|
January 22, 2017
|
|
The annual salaries of four men were Rs 5000, Rs 6000, Rs 6500 and Rs 30000
|
|
1
|
2512
|
January 22, 2017
|
|
Calculate the weighted mean of the following distribution
|
|
1
|
1991
|
January 22, 2017
|
|
Two distributions with 100 and 200 items have a mean of 20 and 10?
|
|
1
|
2559
|
January 22, 2017
|
|
Mr Ram has annual income of' 1000000 while Mr Raj has annual income of' 7000000
|
|
1
|
2277
|
January 22, 2017
|
|
Show the sum of deviation of the value of variables?
|
|
1
|
1220
|
January 22, 2017
|
|
Average daily wage of 50 workers of a factory was Rs 200
|
|
1
|
4470
|
January 22, 2017
|
|
Find unknown frequency in the table given below?
|
|
1
|
959
|
January 22, 2017
|
|
Prove that the algebraic sum of deviation
|
|
1
|
1621
|
January 22, 2017
|