Question

. In a study of 60 employees the average salary was observed to be Rs 500 per week. Later on, it was detected that one employee was getting Rs 400 but was recorded as Rs 440 in the study.the mean if the wrong record is ignored

Answer 1

Answer:

Step-by-step explanation:

Since total salary as per wrong data=60*500=30000

and new correct salary would be

30000-440+400=29960

Hence new average= 29960/60

499.33