Posted by Cap'n Paul from 22.214.171.124 on June 30, 1998 at 20:24:26:
In Reply to: Re: Probability and Sadistics.....(that's what my students say) posted by Stephen on June 30, 1998 at 14:17:41:
: I teach statistics and just have time to point out two things: CP...
: 1) since the population mean and standard deviation are unknown,
: a z-test is inappropriate... you would use a t-test, but then only
: if the "real Indy" fans and the "infidels" could be randomly assigned
: to each group (which, of course, they cannot in this instance) and
: 2) whether you reject the null or not, you need to go through the
: process of hypothesis testing as described by CP; otherwise, you're
: just stating your opinion without any evidential foundation.
: End of stat lesson :-)
:Excellent! I knew I'd get some bites on this one. Good point on the t-test. Z seemed to obvious but I didn't want to spend all night responding to IJONES.
The diverse backgrounds of Indy fans always amazes me. This forum is great. -CP
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