Question

26. The median income of the employee is: Income RS./month No of employees 0-250 12 250-500 20 500-750 23 750-1000 15 1000-1250 10 1250-1500 20 * (1 Point) 760.75 625.56 None of these 695.65 ​

Answer 1

Given :   Income RS./month No of employees 0-250 12 250-500 20 500-750 23 750-1000 15 1000-1250 10 1250-1500 20  

To Find : The median income of the employee

760.75

625.56

695.65 ​

None of these

Solution:

Income          f               cf

0 - 250          12             12

250 - 500     20             32

500 - 750      23             55

750 - 1000     15             70

1000 - 1250    10            80

1250 - 1500     20          100

100/2  = 50  lies in  500 - 750

Median = 500  + 250  * ( 50 - 32)/ 23

= 500 + 250 * 18/23

= 250 ( 2  +  18/23)

= 250 ( 64/23)

= 695.65

Hence The median income of the employee 695.65 ​

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