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li.maor
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standard deviation

by li.maor Mon Jul 09, 2012 6:03 pm

Hi there
how would you go about this one?

Image

thanks
-L
bineeshnair4u
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Re: standard deviation

by bineeshnair4u Tue Jul 10, 2012 9:21 am

Let m - mean and d - std deviation

as per question m - 2d = 58
m + 3d = 98
solving d = 8
and m = 74
Answer A
bineeshnair4u
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Re: standard deviation

by bineeshnair4u Tue Jul 10, 2012 9:22 am

i have a image for this.. i am not able to post it... its good to understand it using image.. how do u post image??
li.maor
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Re: standard deviation

by li.maor Wed Jul 11, 2012 5:00 am

Hi thanks
got it now
you can upload pic using a URL

-L
RonPurewal
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Re: standard deviation

by RonPurewal Wed Jul 11, 2012 7:54 am

please search the forum. do not post new threads for problems with existing threads.

mean-deviation-t4558.html

this thread is now locked.