Assignment5new

Assignment5new - and =10. For this data: 6. What percentage...

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Name:________ Psychology 1167 Assignment 5 SHOW YOUR WORK. 1. What proportion of people fall within one and a half standard deviations of the mean? 2. What proportion of people have a score that is greater than 3 standard deviations below  the mean? 3. What proportion of people have a score that is less than 2 and a quarter standard  deviations above the mean? 4. What proportion of people have scores between a half and one and a half standard  deviations above the mean? 5. What proportion of people have scores between a half standard deviation above the  mean and a quarter of a standard deviation below the mean? Imagine that a class of 100 people had exam scores that are normally distributed, with µ=30 
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Unformatted text preview: and =10. For this data: 6. What percentage of people had a score of less than 25? 7. What percentage of people had a score between 31 and 41? 8. What percentage of people had a score between 24 and 42? 9. What percentage of people had a score of greater than 17? 10. What percentage of people had a score of greater than 30? 11. How many people scored between 35 and 45? Round to the nearest whole number. 12. How many people scored better than 50? Round to the nearest whole number. 13. What score is in the 10 th percentile? 14. What score is in the 98 th percentile? 15. What score is in the 50 th percentile?...
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This note was uploaded on 03/26/2011 for the course PSYCH 1167 taught by Professor Bingshi during the Spring '10 term at Temple.

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Assignment5new - and =10. For this data: 6. What percentage...

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