The mean of five numbers is 32. If one of the numbers is excluded, the mean gets reduced by 3. Find the excluded number.
Answers
Answered by
0
Answer:
The mean of the 5 numbers is 32. If one of the numbers is excluded, then the mean is reduced by 4. Find the excluded number.
step by step explanation :
Mean of 5 numbers =32.
Sum of these numbers =32×5=160 (∵n
x
=∑x)
Mean of 4 numbers =32−4=28
Sum of these 4 numbers =28×4=112
Excluded number = (Sum of the 5 given numbers) − (Sum of the 4 numbers)
=160−112=48
Hope this answer help you...
Answered by
0
Answer:
73
Step-by-step explanation:
Mean of 5 numbers = 32.
Sum of these numbers = 32×5
= 160
(∵nx=∑x)
Mean of 3 numbers = 32 - 3
= 29
Sum of the 3 numbers = 29×3
= 87
Excluded number = (Sum of the 5 given numbers) − (Sum of the 3 numbers)
= 160-87
=73
Similar questions