Question

if mean of 5,9,A,17,21 is 13 find the value of A

Answer 1

solution: given data : mean of 5;9;A;17;21=13
mean =sum of observations/no.of observations.
5+9+A+17+21/5=13
52+A=13*5
A=65-52
A=13.

Answer 2

Answer:

3

Step-by-step explanation:

THE CORRECT ANSWER IS 3

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