Subject	What is the error bar?
Posted by	kuah@splparts.com on October 26, 2003 at 12:01 PM
	This message has been viewed 35 times.
In Reply To	I don't see a 13-15hp as difference as roughly the same posted by Janders on October 26, 2003 at 11:24 AM
Message	Standard statistical error on a single trail is to take the square root of the result, on a 300rwhp dyno (and the dyno you got the result from was more) that is a 17rwhp error bar (sigma). A difference within 1 sigma cannot be considered significant. To get the error bars down, multiple trails must be made. I am not disputing the Hiper has a better design as far as power goes, just the exact power difference is indeterminate with the info available.
Follow Ups	IS THE B&B EXHAUST REALLY THAT MUCH BETTER THAN THE HIPER - nismozcar 17:43:30 10/25/03 HiPer is not full stainless and has a totally different look - YugoBernie (NoVA) 17:49:46 10/25/03 You'll get a mix of fans of each here.If price is what your - zeddiea27 17:52:35 10/25/03 Re: IS THE B&B EXHAUST REALLY THAT MUCH BETTER THAN THE HIPER - (SHOWTIME!) 17:59:08 10/25/03 u got a pic of ur car with the hiper showtime! (n/m) - nismozcar 18:42:12 10/25/03 that`s a sore spot... - (SHOWTIME!) 20:36:35 10/25/03 Hiper is not full SS, and has an H-pipe. Not to mention ugly - Spee 19:01:48 10/25/03 Nice crooked mufflers...ghetto!!! (n/m) - boostle 20:31:45 10/25/03 Nice pr3etzel bent pipes..B&B!! (n/m) - Janders 21:12:16 10/25/03 bah, they are straight now... - Spee 22:33:21 10/25/03 Agreed, I have slightly crooked Apex RS canisters :) (n/m) - boostle 02:29:15 10/26/03 fool..we got 2 crooked legs to stand on (n/m) - Janders 11:27:25 10/26/03 hyper will make more power than b&b. - T0M 19:09:39 10/25/03 im getting hyper it looks awsome and is so much cheaper! (n/m) - nismozcar 19:29:02 10/25/03 go you! .................................................. (n/m) - big gixx 20:11:12 10/25/03 B&B is nice, it's made from nice materials. But the - John@Z1 19:40:13 10/25/03 Hiper=power, B&B=shiny (n/m) - Janders 21:10:29 10/25/03 Damn shame it's a eyesore & a police magnet too :-/ (n/m) - YugoBernie (NoVA) 21:39:49 10/25/03 I've never had popo probs : / (n/m) - Janders 22:20:54 10/25/03 LaBree will get you the best of both worlds :) - SeedyROM 21:58:42 10/25/03 2nd, LaBree is the best designed: ) (n/m) - Janders 22:21:32 10/25/03 Debateable. (n/m) - YugoBernie (NoVA) 22:39:18 10/25/03 Ok, I'll say it again then... - SeedyROM 23:00:05 10/25/03 You won't convince many - Janders 23:31:08 10/25/03 Either way - point is "looks similar to B&B" is an opinion. - YugoBernie (NoVA) 00:45:37 10/26/03 lol, can't argue looks..it's all subjective - Janders 00:56:24 10/26/03 "1/2 the price for half-assed" I guess that works. (n/m) - YugoBernie (NoVA) 01:50:00 10/26/03 vs. 2 X the price for poor design? - Janders 01:53:33 10/26/03 The whole point is that all the cat-backs add - Only1Z 01:01:02 10/26/03 I hear ya. And even stainless the Labree is much cheaper (n/m) - SeedyROM 01:49:23 10/26/03 Yep...LaBree in stainless would be another choice of mine. (n/m) - Only1Z 11:42:30 10/26/03 Yeah. Holy crap, I haven't even bothered to reply to the - SeedyROM 14:10:36 10/26/03 Yeah...I just joined in toward the end too... - Only1Z 17:23:13 10/26/03 I don't see a 13-15hp as difference as roughly the same - Janders 11:24:27 10/26/03 Yes, but that doesn't make it a better buy... - Only1Z 11:45:30 10/26/03 What is the error bar? - kuah@splparts.com 12:01:10 10/26/03 Unfortunately to properly quantify that - Janders 12:18:38 10/26/03 Re: Unfortunately to properly quantify that - kuah@splparts.com 12:45:01 10/26/03 I agree - Janders 12:53:54 10/26/03 You seem to understand probability analysis well - Janders 12:50:18 10/26/03 Re: You seem to understand probability analysis well - kuah@splparts.com 13:18:57 10/26/03 If hpipe, whack fitment & cheap materials = "good design" - YugoBernie (NoVA) 10:30:20 10/26/03 nice bends and straight through mufflers=good design - Janders 11:17:43 10/26/03 Hate to have to say this but...did you know this topic has - Zenn 21:43:19 10/25/03 it's not in the thousands? (n/m) - Janders 22:23:08 10/25/03 I was thinking more in the millions by now :) (n/m) - Spee 22:34:03 10/25/03 Hiper performs better, is much cheaper, - NR98 (next year) 10:27:09 10/26/03 Can you define "fits" please? - YugoBernie (NoVA) 10:31:56 10/26/03
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