The mean of 10 numbers is 20. if 5 is subtracted from every number. what will be the new mean?
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Answered by
2
shortcut or property
if number is added/sub/mul/div in all numbers then mean is also add/sub /mul/div by that no
so mean is 20-5 =15
if number is added/sub/mul/div in all numbers then mean is also add/sub /mul/div by that no
so mean is 20-5 =15
spmkkote:
Thank u so much
Can I ask u one more question
Find the median of the following observations 46, 64, 87, 41, 58, 77, 35, 90, 55, 92, 33 if 92 is replaced by 99 and 41 by 43 in the above data find the new median
Please answer it
Answered by
4
Answer:
Step-by-step explanation:
Sum if 10 numbers = 10*20 = 200
If 5 is subtracted from each no. Then it means that 5 is subtracted 10 times.
In all 50 is subtracted from the sum .
New sum = 150
So, mean = 150/10 = 15
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