During the last week in August, there was a lengthy thread on sci.stat.edu
about problems with the probability and statistics questions in MCAS, the high
stakes test required for graduating from a MA public high school.
Shortly after participating in that thread, I wrote up my analyses of 6 of th
At 12:41 PM 10/4/01 -0500, Edwina Chappell wrote:
>Permutations
say you have a speech class and, there are 5 students who have to give a
short speech one day ... how many different ORDERS can they go in?
>versus Combinations.
what if on a test, of 30 mc items ... the instructor lets you pick a
Edwina Chappell <[EMAIL PROTECTED]> wrote in sci.stat.edu:
>Permutations versus Combinations.
>Easy ways to understand the concepts and distinguish when to use?
Does arrangement matter? If yes, permutation; if no, combination.
I don't know any useful way to make it more complicated. :-)
--
St
Hi
On 4 Oct 2001, Edwina Chappell wrote:
> Permutations versus Combinations. Easy ways to understand
> the concepts and distinguish when to use?
I use to like to teach both as a specific variant of the
partition rule, and then the distinction was whether specific
problems involved so many sets
This is news to me - I have only ever heard the range defined as
'maximum - minimum' (and then usually wiped out as a mostly useless
statistic..)
I usually point out to students that in everyday language the word
'range' is used for the interval - as in 'prices for cabbages ranged
from $1 to
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04-10-2001,
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Quotation of the day:
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Dear statistically-enamored,
There was a question in my undergrad class concerning how to define the
range, where a student pointed out that contrary to my edict, the range was
"the difference between the maximum & minimum". I'd always believed that
the correct answer was the "difference
- Original Message -
From: "icip2001" <[EMAIL PROTECTED]>
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Sent: Thursday, September 27, 2001 5:39 PM
Subject: IEEE ICIP2001 call for participation
Dear Madame/Sir,
This is the last call for participation in the 2001 IEEE International
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This position requires a Ph.D. degree. Prior experience is not
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Permutations versus Combinations. Easy ways to understand the concepts and
distinguish when to use?
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david007 <[EMAIL PROTECTED]> wrote in sci.stat.edu:
>Hello,
>
>I haven't touched statistics for years but now i got a problem like this:
>
>Toss a fair coin n times. Let A denote the maximum run length, i.e. the
>largest number of consecutive heads we get among the n tosses.
>
>Find P(A=2) analyt
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"E. Jacquelin Dietz" wrote:
>
> Dear EdStat readers,
>
> During the last few weeks
david007 wrote:
Let A denote the maximum run length, i.e. the
> largest number of consecutive heads we get among the n tosses.
>
> Find P(A=2) analytically (not by simulation) for the case n=5.
Try rephrasing. "A=2" means that (1) there are two heads in a row
[Apologies if you receive this more than once]
IEEE Data Mining 2001: Call for Participation
=
The 2001 IEEE International Conference on Data Mining
Doubletree Hotel, San Jose, California, USA
November 29 - December 2, 2001
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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
> not to have 8 am cla
Stan Brown wrote:
> jeff rasmussen <[EMAIL PROTECTED]> wrote in sci.stat.edu:
> >The "materialistic" viewpoint that
> >most extant science still clings to is clearly wrongheaded as shown by
> >quantum physics as well as anticipated by numerous eastern philosophies.
>
> Oh please. Quantum physics
Dennis Roberts wrote:
> At 06:07 PM 10/2/01 +, Jon Miller wrote:
>
> >The neat thing about math is the numerical answer doesn't matter, just the
> >method.
> >
> >Jon Miller
>
> gee ... i hope you don't really mean that ... if so, that will take your bank
> off the hook IF they royally mess u
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