The mean of 5 observation is 27. If one is aed to each observation find the new mean
Answers
Answered by
0
Answer:
28
Step-by-step explanation:
The original mean is
( x₁ + x₂ + x₃ + x₄ + x₅ ) / 5 = 27
The new mean is
( (x₁+1) + (x₂+1) + (x₃+1) + (x₄+1) + (x₅+1) ) / 5
= ( x₁ + x₂ + x₃ + x₄ + x₅ + 5 ) / 5
= ( x₁ + x₂ + x₃ + x₄ + x₅ ) / 5 + 5 / 5
= 27 + 1
= 28
Similar questions