Math, asked by gauravbhatt03, 1 year ago

plz tell me the answer of 3rd question

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Answered by chemistrywala

2

new mean is 20×3=60 .new mean is 60

Answered by saeekore7

1

Answer:60

Step-by-step explanation:

Let x be the sum of all observations

Mean =

sum of all observations /no of observations

20 = x/50

X = 50x20

X = 1000

According to condition

X = 1000x3 = 3000

New Mean = 3000/50 = 60

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