Science & Mathematics - 18 November 2006

A sample of 14 individuals is slected from one population and 16 from another population. To test for the difference between the two population means, how many degrees of freedom are there?

The answer is 28 but I don't understand how this was figured..

2006-11-18 03:50:06 · 3 answers · asked by mrkittypong 5 in Mathematics

2006-11-18 03:50:03 · 11 answers · asked by HOA T 1 in Geography

Taking into account the marvellous contribution by these noted scientists, all of them can be formed into a chain like socrates, aristotle and plato but someone has to be the greatest, who was the one who turned the wheel of scientific events completely.And if you think someone else is still better than them who can it possibly be.

2006-11-18 03:48:35 · 10 answers · asked by prankstir 1 in Physics

any sites you know of that can give info would be great.....

2006-11-18 03:47:46 · 8 answers · asked by kizzycooper 2 in Weather

I live about three miles inland from the Pacific Ocean. When killdeer (shorebirds) fly in the fields around my house, I know that we will have severe weather within three days.

2006-11-18 03:46:54 · 2 answers · asked by AnnieD 4 in Weather

2006-11-18 03:45:45 · 3 answers · asked by Anonymous in Physics

2006-11-18 03:43:51 · 3 answers · asked by needBIOhelp 1 in Biology

Hmm, what do you reckin was arounf before our univrsal existance?

2006-11-18 03:43:15 · 26 answers · asked by mrben 2 in Astronomy & Space

does the winter season occur the same time everywherE?? Like maybe in december everywhere that have winter season will have season or do they differ places to places? like maybe january its winter in japan and summer in united states?

2006-11-18 03:40:52 · 7 answers · asked by C0kaCoLa 1 in Weather

2006-11-18 03:38:24 · 5 answers · asked by mahendiranjk 1 in Earth Sciences & Geology

2006-11-18 03:31:55 · 2 answers · asked by ANGELIC F 1 in Chemistry

Ive heard that Cepacaine can cause people to fail drug tests... (Cocaine Levels shown in blood)

i have an ulcer in my mouth and a mate told me about Cepacaine... to numb the pain, can u get hooked from it?

2006-11-18 03:29:21 · 6 answers · asked by Anonymous in Medicine

2006-11-18 03:28:49 · 1 answers · asked by ANGELIC F 1 in Chemistry

x= the square root of y+x divided by 5= what?
for y=25

2006-11-18 03:28:28 · 5 answers · asked by Ian H 2 in Mathematics

how might they evolve? and why?

2006-11-18 03:26:25 · 4 answers · asked by Anonymous in Zoology

2006-11-18 03:26:13 · 3 answers · asked by Arthur B 1 in Geography

2006-11-18 03:25:43 · 3 answers · asked by Anonymous in Weather

Storms similar to the one on saturn form over a, relatively flat, liquid mass. What do we know about the true topography of Saturn and how these storms form?

2006-11-18 03:24:24 · 3 answers · asked by Anonymous in Astronomy & Space

2006-11-18 03:24:18 · 2 answers · asked by Almaz T 1 in Earth Sciences & Geology

log 6going down then 60 minus log 6 going down 30

2006-11-18 03:19:25 · 4 answers · asked by arief 1 in Mathematics

2006-11-18 03:18:41 · 5 answers · asked by FARAH H 1 in Chemistry

2006-11-18 03:18:38 · 10 answers · asked by lesesnyder 1 in Medicine

When a famous Nobel prize winner found out someone had discovered the Muon, he is quoted as saying, "Who ordered that?"
What was the Muon he was talking about and who said it?

2006-11-18 03:18:19 · 3 answers · asked by Anonymous in Other - Science

2006-11-18 03:18:17 · 6 answers · asked by Binmaita 1 in Zoology

2006-11-18 03:12:18 · 3 answers · asked by TechBug 2 in Chemistry

2006-11-18 03:10:07 · 14 answers · asked by Craig W 1 in Physics

2006-11-18 03:09:15 · 1 answers · asked by ANGELIC F 1 in Chemistry

The cross-section of a water trough is an equilateral triangle with a horizontal top edge. If the trough is 5m long and 25 com deep and water is flowing in at a rate of 0.25m^3, how fast is the water level rising when the water is 10cm deep at the deepest point

2006-11-18 03:07:25 · 3 answers · asked by ayok 2 in Mathematics

2006-11-18 03:07:05 · 4 answers · asked by vikramdaadaa 1 in Botany

2006-11-18 03:03:59 · 4 answers · asked by agquillen2003 1 in Geography