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Unformatted text preview: weight for team B with 7 members is 135 lbs., and the mean weight for team C with 20 members is 160 lbs. The overall mean weight for all three teams is: 148.69 10. On a physics exam, the instructor gives a bonus question worth 10 points. The class average (mean) without counting the bonus question is 83. If everyone gets the bonus question correct, the class mean would ____. Equal 93 11. In a bell-shaped distribution, ____. Median=mean 12. If a constant of 5 is subtracted from all of the scores, the standard deviation ____. Remains the same 13. In a negatively skewed distribution, the mean will generally be ____ the median. Less than 14. equals ______. Cannot be determined 15. Assume one has a set of 35 scores with mean = 100 and s = 9. If 5 scores, each equal to 100 were added to the distribution, what effect would this have on the mean? X would remain unchanged...
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- Summer '11
- Standard Deviation, Mean