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seen Oct 19 '13 at 2:31

Aug
6
awarded  Popular Question
Jul
2
awarded  Curious
Jun
6
awarded  Popular Question
Mar
14
awarded  Yearling
Oct
19
awarded  Nice Question
Oct
18
comment In high school statistics, why does it seem like equations come out of the sky
Yes, we went over sample linear correlation coefficient and the linear regression algorithm. None of which was explained to the way I liked.
Oct
18
awarded  Critic
Oct
18
asked In high school statistics, why does it seem like equations come out of the sky
Oct
18
asked Is there a derivation of the linear regression equation from statistical principles?
Aug
17
comment Statistics: Why do we use this convention when computing standard deviation
Oh I see. Sorry I didn't think they would be equivalent in this case. Thanks.
Aug
17
asked Statistics: Why do we use this convention when computing standard deviation
Aug
17
accepted Statistics: What is the major difference amongst these three binomial variance formulas and how to derive them
Aug
17
comment Statistics: What is the major difference amongst these three binomial variance formulas and how to derive them
thanks! I learned a lot from your explanations
Aug
17
asked Statistics: What is the major difference amongst these three binomial variance formulas and how to derive them
Aug
13
revised Statistics: Reconciling with different variance and expectation formulas
deleted 121 characters in body
Aug
13
comment Statistics: Reconciling with different variance and expectation formulas
I corrected the typo. Yes I do know that $X$ represents a random variable.
Aug
13
revised Statistics: Reconciling with different variance and expectation formulas
edited title
Aug
13
revised Statistics: Reconciling with different variance and expectation formulas
edited title
Aug
13
asked Statistics: Reconciling with different variance and expectation formulas
Aug
13
accepted Statistics: Why do we divide by $\sqrt{n}$ for sample standard deviation