Need help - simple statistics question

[Pizza]

Simple question - need an urgent reply. I had a group of 52 panelists sample
and rate 2 separate products. Now I want to know if the mean ratings for the
2 products are significantly different. Do I use a paired or unpaired
t-test? Thanks in advance for any help.

 

[Rasoul Khoshravan]

  Simple question - need an urgent reply. I had a group of 52 panelistssample
and rate 2 separate products. Now I want to know if the mean ratings for the
2 products are significantly different. Do I use a paired or unpaired
t-test? Thanks in advance for any help.

If you want to get a fast reply, you should better to post to a
statistic group in Google not here
Choose a group from one of the following listing:
http://groups.google.com/groups/dir?sel=topic=46406&q=statistics&

 

[Sheeloo]

Paired t-test.

However Rasoul is right... this is not the right forum for this question.

 

[joeu2004]

If you want to get a fast reply, you should
better to post to a statistic group in Google

Ordinarily, I would agree with you. But in my experience, some of the
people in these Excel forums are much more helpful than the people in
the sci.stat.* newsgroups.

 

[James Silverton]

Sheeloo wrote on Fri, 13 Feb 2009 09:58:11 -0800:

However Rasoul is right... this is not the right forum for
this question.

"Rasoul Khoshravan" wrote:

I think an appropriate group might have been suggested for a rather
simple question but it have been better answered by scanning an
elementary book on statistics. Posing the question in a ng. might
produce both help and rude comments.
--

James Silverton
Potomac, Maryland

Email, with obvious alterations: not.jim.silverton.at.verizon.not

 

[Pizza]

Simple question - need an urgent reply. I had a group of 52 panelists sample
and rate 2 separate products. Now I want to know if the mean ratings for the
2 products are significantly different. Do I use a paired or unpaired
t-test? Thanks in advance for any help.

Since I am using Excel Analysis Pak, I automatically went here for advice.
Consulted several textbooks, but they were not clear as far as the example I
cite. I'm doing this type of analysis for the 1st time and want to be sure
it's correct.In the past folks here have been more than happy to answers
questions - sorry if I inconvenienced anyone!!!

 

[Pizza]

Ordinarily, I would agree with you. But in my experience, some of the
people in these Excel forums are much more helpful than the people in
the sci.stat.* newsgroups.

Indeed - Thank You!

 

[James Silverton]

Pizza wrote on Fri, 13 Feb 2009 10:45:03 -0800:

I'm surprised that no one suggested using Excel help. There is a
considerable amount of material available by asking help on statistical
tests, especially "About statistical analysis tools".

--

James Silverton
Potomac, Maryland

Email, with obvious alterations: not.jim.silverton.at.verizon.not

 

[joeu2004]

Consulted several textbooks, but they were not
clear as far as the example I cite.  I'm doing
this type of analysis for the 1st time and want
to be sure it's correct.

Which I thought was self-evident from the way you asked your question.

sorry if I inconvenienced anyone!!!

No apology needed. IMHO, anyone "inconvenienced" by a question posted
here and unwilling to offer a constructive response is not obligated
to read it, much less respond to it.

Sometimes, vectoring a person to another newsgroup or RTFM is the
right thing to do. But I don't think your inquiry rose to that
level. It was straight-forward and well-asked (succinct), and it
demonstrated a modicum of knowledge.

 

[joeu2004]

I think an appropriate group might have been suggested
for a rather simple question but it have been better
answered by scanning an elementary book on statistics.
Posing the question in a ng. might produce both help
and rude comments.

This is the sort of non-constructive response that I expect to see in
the sci.stat.* newsgroups.

You are not obligated to respond to questions that you think are
"dumb", especially if you can only think of "rude comments" to make.

 

[James Silverton]

joeu2004 wrote on Fri, 13 Feb 2009 11:54:06 -0800 (PST):

This is the sort of non-constructive response that I expect to
see in the sci.stat.* newsgroups.

Don't be ridiculous! It's a fair warning not a protest.

--

James Silverton
Potomac, Maryland

Email, with obvious alterations: not.jim.silverton.at.verizon.not