Search found 4 matches


Alright that sounds obvious. Thanks a lot.

by carred

Tue Jul 05, 2011 8:34 am
Forum: Data Sufficiency
Topic: frequency distribution
Replies: 7
Views: 22955

frequency distribution

Hi I am stuck at the following example so I could use a little help how to solve it. Question: Find the mean and median of the values of the random variable X, whose relative frequency distribution is given in the table below. X.......Relative Frequency 0.......0.18 1.......0.33 2.......0.10 3.........

by carred

Tue Jul 05, 2011 7:00 am
Forum: Data Sufficiency
Topic: frequency distribution
Replies: 7
Views: 22955

Wow that was super fast and really comprehensible!

Now the learning can go on :D

by carred

Sun Jul 03, 2011 10:20 am
Forum: Problem Solving
Topic: Geo query
Replies: 10
Views: 9282

I have another question: how do we establish similarity between triangles? Given this figure we're asked to calculate the area of ADG. Given AB=BC=CD and area of CDE is 42. we know that DC: DA is 1:3, but how does he get the same ratio for the bases as well and establish similarity for the 3 triang...

by carred

Sun Jul 03, 2011 9:33 am
Forum: Problem Solving
Topic: Geo query
Replies: 10
Views: 9282