Gus Gassmann wrote:
Stan Brown wrote:
Another instructor and I gave the same exam to our sections of a
course. Here's a summary of the results:
Section A: n=20, mean=56.1, median=52.5, standard dev=20.1
Section B: n=23 mean=73.0, median=70.0, standard dev=21.6
Now, they
Stan Brown wrote:
Jill Binker [EMAIL PROTECTED] wrote in sci.stat.edu:
Even assuming the test yields a good measure of how well the students know
the material (which should be investigated, rather than assumed), it isn't
telling you whether students have learned more from the class itself,
Chia C Chong wrote:
I am a beginner in the statistical analysis and hypothesis. I have 2
variables (A and B) from an experiment that was observed for a certain
period time. I need to form a statistical model that will model these two
variables. As an initial step, I plot the histograms of
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Jon Miller wrote:
Stan Brown wrote:
You assume that it was my section that performed worse! (That's true,
but I carefully avoided saying so.)
Section A (mine) meets at 8 am, Section B at 2 pm. Not only does the
time of day quite possibly have an effect, but since most people prefer
[EMAIL PROTECTED] (dennis roberts) wrote
most software will compute p values (say for a typical two sample t test of
means) by taking the obtained t test statistic ... making it both + and -
... finding the two end tail areas in the relevant t distribution ... and
report that as p
for
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The best non-parametric book I know of is Marasculio and McSweeny. It is out
of print so if you find a copy copy it. It is a classic
Pamela Auburn, PhD
2041 Branard
Houston TX 77098
From: [EMAIL PROTECTED] (edstat-digest)
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject:
The best non-parametric book I know of is Marasculio and McSweeny. It is out
of print so if you find a copy copy it. It is a classic
Pamela Auburn, PhD
2041 Branard
Houston TX 77098
From: [EMAIL PROTECTED] (edstat-digest)
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject:
Dennis wrote: it is NOT correct to say that the p value (as
traditionally calculated) represents the probability of finding a result
LIKE WE FOUND ... if the null were true? that p would be ½ of what is
calculated.
Jones and Tukey (A sensible formulation of the significance
At 05:06 PM 11/2/01 -0500, Wuensch, Karl L wrote:
Dennis wrote: it is NOT correct to say that the p value (as
traditionally calculated) represents the probability of finding a result
LIKE WE FOUND ... if the null were true? that p would be ½ of what is
calculated.
Jones
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