Thu 14 Oct, 2004 09:37 am - Hey Otis ... Didn't you ever hear of people who go around trying to sell the Brooklyn Bridge? or swampland in Florida? (view)
Sun 10 Oct, 2004 09:25 am - percentile vs SD
OK. So what you're saying is that the SD is the theoretical value and the percentile is taken from a group of sampled data. That makes sense to me. But, if the data sample... (view)
Sat 9 Oct, 2004 11:01 pm - Salesman
He sounds like an Amway salesman .. and that's about the lowest form of life.
Is Able2Know meant to be a medium for proseltysing? (view)
Sat 9 Oct, 2004 10:50 pm - I guess I don't understand why you say that.
Is it not true that, if a test score is 2 Standard deviations above the average, this score is in the top 2.28% percentile? (view)
Sat 9 Oct, 2004 08:53 pm - I posted this in the Riddles group and it was suggested that I post it here.
My brother-in-law, an OB-GYN, asked me a question regarding the relationship between standard deviation and... (view)
Sat 9 Oct, 2004 04:59 pm - percentiles
Thanks for responding. You said:
"So, if you're one standard deviation above the mean, you scored higher than 68 + (100-68)/2 percent of the population."
And 68 +... (view)
Sat 9 Oct, 2004 02:52 pm - This is a trickier problem than first seems at first.
It was a question on an SAT exam, and the standard answer was number of faces = 5+4-2 = 7
However one student who had a wonderful ability... (view)
Sat 9 Oct, 2004 02:40 pm - My brother-in-law, an OB-GYN, asked me a question regarding the relationship between standard deviation and percentile groups, and how to convert from one to the other.
He has a machine that... (view)
