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September 4, 2015

Homework Help: Probability and Statistics

Posted by Amber on Friday, January 4, 2013 at 6:13pm.

For question 1, here's the numbers you use: {20, 18, 17, 19, 22, 29, 16, 27, 24}.
1. Calculate the 50th percentile.

For questions 2 and 3 use this number line: {16, 17, 18, 19, 20, 22, 24, 27, 29, 80}

2. Calculate the z-score for the 80 & explain what it means. (Explain what the z-score is.)

3. Calculate the z-score for the median of the data set.

I've tried doing these problems with no help from my teacher. Please help?
Thanks

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