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suppose we have numbers: 3.2, 1.9, 1.4, 1.9 (percentages) the average value is 2.6 ( where did 2.6 come from?)

2007-07-13 18:50:10 · 8 answers · asked by freeman 3 in Science & Mathematics Mathematics

8 answers

add all of them and divide by 4

3.2+1.9+1.4+1.9 /4
=8.4/4
=2.1(percent)

2007-07-13 18:57:06 · answer #1 · answered by sweet n simple 5 · 0 1

but what if we have to fins average percentage of

2 out of 10 , 3 out of 20 , 4 out of 40

then do we have to take like (2+3+4 )/3 =x
and then take (10+20+40)/3=y

and then final answer is

(x/y)*100 ??

2014-08-19 21:53:08 · answer #2 · answered by Anonymous · 1 0

For the best answers, search on this site https://shorturl.im/aw6rD

Yes, you can directly average percentages. What formula are you using? There are several kinds of averages. You can use =average(A1:A10) or=subtotal(1,A1:A10) for an average. Maybe the cells are formatted as text. Clear the formatting and reformat or just try the same exercise on a different sheet or worksheet.

2016-04-05 04:50:51 · answer #3 · answered by Anonymous · 0 0

Average of percentages is not calculated this way
suppose we have score 10/10 = 100%
and we have another one 50/100=50%
Their average 75% id WRONG
the correct average is 54.5% it reflects weight-age second score.

WS

2014-11-08 21:42:47 · answer #4 · answered by Umar 1 · 0 0

Have 4 numbers whose sum = 8.4
Average = 8.4 / 4 % = 2.1 %
Where the 2.6 % came from is a mystery!

2007-07-13 19:04:17 · answer #5 · answered by Como 7 · 1 0

81 79

2014-08-07 19:38:07 · answer #6 · answered by Amir 1 · 0 0

if your average in the first 7 quizzes is 65% and the passing is 75% then what grade should you get in the last quiz to get a passing average

2014-07-23 01:04:49 · answer #7 · answered by paz 1 · 0 0

the average of any set of numbers = sum of the numbers / number of numbers added

average = (3.2 + 1.9 + 1.4 + 1.9) / 4
average = 8.4 / 4
average = 2.1

2.6 is not the average... i cant figure out where it came from!

hope this helps!! :-)

2007-07-13 19:09:23 · answer #8 · answered by Sindhoor 2 · 0 1

sum up all the numbers and divide by the amount of number syou added up

3.2+1.9+1.4+1.9 = 8.4

8.4 divided by 4 is 2.1...not 2.6

2007-07-13 18:57:01 · answer #9 · answered by Anonymous · 0 1

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