the mean of 20 numbers is 8.5 and mean of 30 other number is 11.5. determine mean of 50 numbers taken together.
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Answered by
1
You can divide 20 by 8.5 then multiply it by 50.
Anonymous:
no.... you are wrong
it has a method
told you the short method
I have
Answered by
10
hey frnd....
for your answer plz see the pic.
so the mean of 50 number taken together = 10.3
HOPE THIS HELP YOU ☺☺
for your answer plz see the pic.
so the mean of 50 number taken together = 10.3
HOPE THIS HELP YOU ☺☺
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