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October 21, 2014

October 21, 2014

Posted by **Michael** on Friday, December 7, 2012 at 10:20pm.

Please show the steps for each question

"When the Scholastic Aptitude Test (SAT) - now known as the Scholastic Assessment Test - was first developed, the idea was that each section of the test would have a mean of 500 and a standard deviation of 100. While the SAT is continually adjusted and readjusted to promote such a distribution, let's assume for this exercise that math scores on the SAT have a mean of 500 and a standard deviation of 100.

1. What percentage of students scored below/above 465?

2. What percentage of students who took the SAT scored between a 465 and 500?

3. What percentage of students scored above 595 on the math portion of the SAT?

4. What is the percentile does a score of 465 correspond to?

5. What percentage of students who took the SAT posted scores between a z-score of .35 and a raw score of 595?"

- CRJ303-Statistics question -
**PsyDAG**, Saturday, December 8, 2012 at 12:12pmZ = (score-mean)/SD

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

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