Set A and B have equal #'s , Is median in A smaller than : PS Archive
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# Set A and B have equal #'s , Is median in A smaller than

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09 Oct 2003, 21:10
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Set A and B have equal #'s , Is median in A smaller than mean in B?

A. In A, all numers are consecutive even numbers, in B, all numbers
are consecutive odd numbers.

B. Sum of numbers in A is greater than sum of numbers in B.

A ...not sufficient ...we dont know what the numbers are

B... 1 2 3 4 -1 ,-2 , -3 ,-4 median > mean

2 4 6 98 2 4 10 15 median < mean

Not sufficient

Combine...

say..A... 12,14,16,18 median = 15 B....11,13,15,17 mean = 14

A...-10,-8,-6,-4,-2 median = -6 B... -11,-9,-7,-5,-3 mean = -7

both cases

median > mean

C

is this correct?

thanks
praetorian
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14 Oct 2003, 21:59
Prat, I would agree with you on Answer C. Here is how I think:

1. The set of numbers in both groups are evenly dispersed, their medians should be equal to their means. Therefore higher mean, higher median.

2. Set A has a higher mean than set B
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14 Oct 2003, 21:59
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