OK, I've got to do a statistics project for class comparing two predictor variables and a response variable. I've got to find out which predictor variable is better for estimating the response. I've decided to use trap speed and 60' times to estimate 1/4 times, and my guess is that the 60' time is going to be a better predictor than the trap.
So could you guys post these three things for me? I know some have it in sigs, but it'll save me a lot of time if I don't have to read through volumes of threads looking for timeslips.
If you compare our 60' times compared to something like an LS1 though...It can't figure out 1/4 mile times worth anything. But for this you are only using AWD 3si's right?
If you can wait a day or 2, Joe G. will probably post the results of the MI3S gathering at Lapeer Dragway last weekend. He will have the timeslips for at least 5 of the 3S cars that raced. Two 1st gen TT's, two 2nd gen TT's, and a 1st gen VR4.
Ahhh, I thought it was only AWD 3si's Or else as you can see from those other cars 60ft's your experiment would be pointless! Because as well all remember from HS Science...There is only one constant control
Actually, I could use multiple cars in stats.... but I would have to compare whether predictor variable a is better than predictor variable b for various types of cars. Stats has slightly different rules than other sciences. That would be a royal PITA experiment though, and I think this simple experiment is more interesting
You can't predict ET from 60ft times or trap speeds. I know of cars with higher trap speed, but slower times, and I know of cars with faster times, but worse 60ft times, as well as slower cars with better 60ft times.
Jeff,
you got 120'ish MPH trap speed???Oh my,I'm jealous.....
That's about 3 mph faster than the new Viper,and sure enough your car would kill Z06 from a roll easily...
the scary(cool) part about jeff's 120 trap is:
a) That run had a 2+ sec 60ft had he gotten a decent launch how fast could he have been going at the end ?
b) He was not maxing his boost out. Based on his mods and the 100 oct gas he had, the 17-18 psi he was running was very conservitave.
You can't predict ET from 60ft times or trap speeds. I know of cars with higher trap speed, but slower times, and I know of cars with faster times, but worse 60ft times, as well as slower cars with better 60ft times.
So far, my stat analysis shows that 60' is not such a great predictor, but trap actually seems to be very good. Based on my data so far, I can confidently guess a 1/4 based on trap within about .3 seconds.
And that estimate would be even more confident if Matt92VR4 hadn't run that 15.xxx (outlier that's screwing up my data)
Joe G. will be posting all of the slips from last saturdays MI3si "track day" with in the next few days.
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