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April 2, 2015

April 2, 2015

Posted by **Anonymous** on Sunday, October 9, 2011 at 4:47pm.

A. If you pick a person at random, the chance that his IQ falls

between 100 to 115 is more than the chance that his IQ falls

between 60-85.

B. If you pick a person at random, the chance that his IQ falls

between 100 to 115 is as compared to falling between 65 to 80

depends on the number of the outliers.

C. If you pick a person at random, the chance that his IQ falls

between 100 to 115 is not comparable to his IQ falling between

60-85.

D. If you pick a person at random, the chance that his IQ falls

between 100 to 115 is less than the chance that his IQ falls

between 65 to 80.

- Statistics -
**PsyDAG**, Monday, October 10, 2011 at 2:04pmStandard deviation = square root of variance = 15

Z = (score-mean)/ SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to these Z scores.

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