Posted by Adria on Tuesday, December 8, 2009 at 8:55am.
The value of 4 is much further from the mean than 245, especially in terms of standard deviations (1+ vs. almost -5 respectively). It would be negatively skewed (many scores at the high end, relatively few at the low end).
Thank You! I really appreciate you taking the time to answer my questions.
With the same mean and st.deviation, but a min of 55 and a max of 330, what would that be? I just need another example explained...thanks.
Figure how many standard deviations (SDs) above and below the mean each extreme is. If they are approximately equal, it is "bell-shaped." If one is significantly further away in terms of SDs, it is skewed in that direction. (You have to decide what is significant.)
There is insufficient data to suggest bimodal.
I hope this helps a little more.
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