I can across the problem that involved varience of data. I have solved many Q and this was first time I saw varience. Since I knew what it is I could solve problem. Does anybody know how deep statistics goes in GMAT other than Mean, Median, Mode, SD, and Varience?
GMATLiveTeach
Starts Oct 17

LIVE ONLINE CLASSES
Get Ready for GMAT Test Day Faster with Live Online Classes
with Chris Peckover, 100th-Percentile GMAT Scorer
- Oct 17 · Chris Peckover
- Sat · 11:00 AM to 2:00 PM ET
- Oct 20 · Chris Peckover
- Tue, Thu · 8:00 to 10:00 PM ET
- Oct 25 · Josh Braslow
- Sun · 1:00 to 4:00 PM ET
- Included
- 40 hours of live online classes + 6 months of TTP OnDemand
- Attend the first class for free
- Every class is recorded, so you never fall behind

















