Hey Hemant, Thank you for the reply. So the main catch is to find the transitioning numbers as X changes from 0 to 6. Just to ensure I understood it correctly, if below was the series for X and Y 0 - 50 0 - 38 4 - 42 4 - 36 6 - 32 6 - 40 then it would be impossible to find negative or positive corre...

negative correlation - how?

there are 2 sets of data: X = {0,0,0,4,4,4,6,6,8} Y = {50,38,56,34,32,42,28,34,29} There is a negative correlation between X and Y. Can anyone please explain me. how is the above statement true? My understanding is as follows: positive correlation - directly proportional negative correlation - inver...

I dont think C should be correct!
if thats the case, they would do the cabling after a year for only the remainder 2/3 sections - which would be far more cost effective than doing it now!

I am still not convinced. Can a expert please help us to get this clear? Kasia please help!

the question states: taste = sight + smell + (others) others is important because it says " taste buds are not the only sensory organs involved". so there is something else involved too. who knows maybe touch (skin),etc what is the implicit assumption made above? Lets look at the answers a...

is 0 > 0 ???

I know this is very basic, but thought I should get this absolutely clear. one of the GMATPrep question goes like this: is x < 0 ? -2x > 0 x^3 < 0 A B C D E DS question I was damn sure the answer is D. However, I realized it could be likely that x can also be 0. so if x is zero, wouldn't both the ab...

set of different flowers - probability

A florist has 2 azaleas, 3 buttercups, and 4 petunias. She puts two flowers together at random in a bouquet. However, the customer calls and says that she does not want two of the same flower. What is the probability that the florist does not have to change the bouquet? - from MGMAT Please help. hav...