CBSE Class 10 Maths (Standard) 2023 · Paper 30/5/1 · Question 18
If every term of the statistical data consisting of terms is decreased by , then the mean of the data :
- (a)decreases by 2
- (b)remains unchanged
- (c)decreases by
- (d)decreases by 1
Answer
(a) decreases by 2
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