Posted by natalie on Tuesday, August 28, 2007 at 9:51pm.
Can someone help me with this questions.
Find the variance for a given data. Rpund your answer to one more decimal place then the original data.
Compute the variance. Jeanne is currently taking college zoology. The instructor often gives quizzes. On the past five quizzes, Jeanne got the following score.
17 10 7 14 3

statistics  PsyDAG, Tuesday, August 28, 2007 at 10:02pm
Variance = [ƒ°(XƒÊ)^2]/N
This involves finding the mean, subtracting each score from the mean, squaring each of those scores, adding them up and dividing that sum by the number of scores.
To get the standard deviation (SD), find the square root of the variance.
I hope this helps. Thanks for asking.
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