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April 21, 2014

April 21, 2014

Posted by **Arun** on Friday, March 2, 2012 at 3:23am.

Choose one answer

a. 0.054

b. 0.018

c. 0.036

d. 0.012

- Probability and statistics -
**Writeacher**, Friday, March 2, 2012 at 7:54amIf all you do is post your entire assignment,

**with no evidence of thinking on your part**, nothing will happen since__no one here will do your work for you__.

But if you are specific about what you don't understand about the assignment or exactly what help you need, someone might be able to assist you.**Ask specific questions!**

- Probability and statistics -
**Anonymous**, Tuesday, March 13, 2012 at 1:39pm.054

- Probability and statistics -
**Anonymous**, Tuesday, May 29, 2012 at 5:26pmQuestion 1 of 1:

Finding Standard Deviation

A simple random sample of FICO credit rating scores is listed below:

714 751 664 789 818 779 698 836 753 834 693 802

Find range, variance, and standard deviation.

As of this writing, the mean FICO score was reported to be 678. Based on these results, is a FICO score of 500 unusual? Why or why not?

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