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Look at below bell curve representing test-takers performance on an aptitude test. 1. Is it normally distributed?
2. What is the mean?
3. What is the mode?
4. What is the median?
5. What is one standard deviation?
6. What percentage of your participants scored between 180 and 240?


Look at below bell curve representing test-takers performance on an aptitude test.

1. Is it norma

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