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Posted by **maribel** on Saturday, May 7, 2011 at 4:45pm.

deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight.

a. 10th percentile b. 32nd percentile c. 75th percentile

d. 90th percentile e. 99.9th percentile f. 99.99th percentile

- statistics -
**PsyDAG**, Sunday, May 8, 2011 at 2:48pmI don't know how you are using Excel, except if it has the proportions of a normal distribution.

Z = (score-mean)/SD = (score-360)/9

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z scores that correspond to the above proportions. Insert the Z scores in the equation above to find the scores(weights).

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