Knockout JEE Main (Six Month Subscription)
- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.
₹ 9999/-
₹ 8499/-
Buy Now
As learnt in
ARITHMETIC Mean -
For the values x1, x2, ....xn of the variant x the arithmetic mean is given by
In case of discrete data.
-Given that,
But two numbers (19+31 = 50) were incorrect
So, net sum = 4500 - 50 = 4450
Add correct numbers (91+13 = 104)
⇒ 4450 +104 = 4554
⇒ new mean = 4554/100 = 45.54