The average of ‘n’ numbers is A. If the number Y is replaced by the number Y0 then the average becomes A0. Which of the following equations is true? |
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a) |
A = |
b) |
A = |
c) |
d) |
The average of ‘n’ numbers is A. If the number Y is replaced by the number Y0 then the average becomes A0. Which of the following equations is true? |
|||||||
a) |
A = |
b) |
A = |
c) |
d) |