Help!! Having some problems with Psych Stats!!?

Question

I am having some problems with my stats question - it's about sample means, sd, and standard error! I don't know if what i am doing is right, i am very confused! If you know anywhere where I could get help right away please tell me, or if you are willing to explain to me what to do with this question let me know PLEASE! the assignment is due tomorrow :( HELP!!

Answer 1

Quickly, based on my own past learning of these things:
The mean is used when the distribution is normal, no lumps on either end or any place but in the middle.
The standard deviation is how far apart scores are from each other, another way to think of it is how alike they are.
The mean and standard deviation go together in a NORMAL distribution as above... one big bell shaped hump in the middle.
Standard error of the mean:

It may be easier for you to check out this link:
http://research.med.umkc.edu/tlwbiostats/stnderrmean.html

Answer 2

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Answer 3

I'm available on yahoo messenger (contact me through my 'answers' profile).

I've done post-grad stats in psychology so I can probably sort your out.

Answer 4

Why don't you pose the specific problem, and show us what you have done?