The Mean if 8 number is 25. What is the new mean if 5 is subtracted from each number.
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Answered by
5
Answer:
20
Step-by-step explanation:
mean = 25
no. of numbers = 8
total = 25*8 = 200
if 5 is subtracted from each number total no of subtractions = 8*5 = 40
total = 200 - 40 = 160
new mean = 160/8 = 20
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Answered by
3
New mean = old mean - no subtract from each no = 25-5= 20
other ,
sum of all no = 25×8= 200
sum of total diveded no = 5×8=40
reaming = 200-40= 160
mean= 160÷ 8 = 20 Ans
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