Question

Average income of 50 families is rupees 3000 of these average income of 12 families is 1800 find out the average income of remaining families vk ohri 1th statistics

Answer 1

Answer:

3379

Step-by-step explanation:

income of 50 familes total is

avg=sum/no of families

3000=sum/50

sum=150000

sum of incomes of 12 families is 21600

remg familes are 38 and diff of incomes is=150000-21600=128400

for avg=sum/no of families

avg=128400/38=3378.9=3379

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