John Knight wrote:
>> "Dobie" <dobiekdl at yahoo.com> wrote in message
> news:5ac8bb53.0207180503.5ca9950b at posting.google.com...> > Jet <thatjetnospam at yahoo.com> wrote in message
> news:<3D351EFF.7D1B5C99 at yahoo.com>...
> > > John Knight wrote:
> > > >
> > > > "Parse Tree" <parsetree at hotmail.com> wrote in message
> > > > news:C9mY8.296$QY4.128034 at news20.bellglobal.com...> > > >
> > > > > > ALL this requires is a little bit of addition and subtraction. It
> > > doesn't
> > > > > > require you to resolve a million third order partial differential
> > > equations.
> > > > > > It doesn't require calculus. It doesn't even require algebra if
> you do
> > > it
> > > > > > right.
> > > > >
> > > > > Statistics very much requires algebra. Calculus too, in many cases.
> > > > >
> > > > >
> > > >
> > > > Believe me, Parse, you don't need algebra or calculus to calculate the
> > > > statistical average for American girls in TIMSS math. Even adjusting
> for
> > > > guesses doesn't require anything but some very basic probability
> theory.
> > > >
> > > > It's as simple as this:
> > > >
> > > > If you're asked a question which has four multiple choice answers, and
> you
> > > > haven't got a clue what the answer is, what is the probability of
> getting a
> > > > correct answer? Since you have once chance in four of getting the
> right
> > > > answer, your probability is 0.25. If you guess on two questions, your
> > > > probability is .5, and three it's .75, and four, it's 1.0.
> > > >
> > > > In other words, over the long run, or over millions of test takers,
> guessing
> > > > on such a question will yield 25% correct answers, or conversely,
> every
> > > > fourth answer will be correct.
> > > >
> > > > No algebra. No calculus. A bit of probability theory, and you
> already know
> > > > that 25% of all students will get the correct answer if they only
> *guess* on
> > > > a four part multiple choice question.
> > > >
> > > > Now here's the hard part:
> > > >
> > > > Question H04 on TIMSS had four multiple choice answers, so you would
> think
> > > > that no country or age group or race or sex would answer less than 25%
> of
> > > > them correct, right? Wrong. http://christianparty.net/timssh04.htm> shows
> > > > that American girls answered only 22.8% of them correct.
> > > >
> > > > They scored 2.2% lower than if they'd just guessed.
> > > >
> > > > How do you think that's possible?
> > > >
> > > > You can probably figure this out with no knowledge of algebra or
> calculus,
> > > > and you already know all the probability theory that might be needed,
> so
> > > > what is your explanation?
> > > >
> > > > John Knight
> > >
> > > Oh, and one more thing, isn't interesting that these jerk offs attriutle
> > > lower girls scores to their being female, but lower US scores to
> > > education?
> > >
> > > J
> >
> > They are blinded by hatred. Can't expect them to be consistent, can we?
> LOL
> >
> > Good catch, Jet!
> >
> > K
>> Neither of you wizards seem to comprehend that the problem is BOTH.
>> Attempting to educate the uneducable is a WASTE of education dollars, AND it
> made American women the laughing stock of nations.
>> We spent an EXTRA $8 trillion to attemp to educate the uneducable
> (increasing education spending as a percent of GDP from 4% to 8%), and what
> happened? SAT Scores plunged 98 points, leaving us DEAD LAST in 17 of 34
> TIMSS problems
>> And what happened to women? On ONE THIRD of one section of the test,
> American girls would have scored higher if they had just guessed, rather
> than trying to solve the problems.
>http://christianparty.net/timssphysics.htm
What is the answer to H4? Explain why the answer is correct.
J
>> Do you comprehend the problem now? No? Is it any wonder?
>> John Knight