L36 Test results: Stock intake/AF vs gutted airbox w/K&N - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

Thread Tools Search this Thread
Old 02-12-2007, 09:50 PM   #31
Senior Member
Posts like a Camaro
Join Date: Jan 2004
Posts: 1,166
Thanks: 0
Thanked 1 Time in 1 Post
mkaake is on a distinguished road

Originally Posted by agrazela
Originally Posted by mkaake
Just as a quick aside, it looks like you used Excel to figure out your standard deviation... but you need to use stdevp(), not stdev(). stdev() is only an approximation to standard deviation, whereas stdevp() is the calculated value. I think the only reason they provide both functions is for calculation time on very large data sets... but they should have made the more intuitive stdev() the real calculation, and not an approximation.
IMO, I did not have enough data points to use the stdevp() function. i would only use that function if I had at least 12 data points.
Ahhh.. that explains it. I just type it by default, so the first thing I noticed on your first post was a difference in standard deviation numbers
mkaake is offline   Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
L36 + New Oxygen Sensor + Gutted Airbox/!MAFScreen = P0171 Tuffguy610 1992-1999 6 12-19-2007 09:13 AM
Modded L67 TB for L36--NOW with Gutted Airbox! agrazela Performance, Brainstorming & Tuning 27 05-19-2007 12:31 AM
$&)$&*)#&+()#%& )#@(%&#)%*(&+_ Maymybonnieliveforevr Lounge 6 05-02-2007 07:07 PM
60-105 tell me what you think.... 95 sle l36 gutted airbox 19bonnie95 Your Other Rides: Pics & Videos 1 10-03-2006 10:22 AM
cone filter inside stock airbox (gutted) hvactech 2000-2005 6 12-24-2005 02:54 PM

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -4. The time now is 10:51 PM.

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.