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Essay / Research Paper Abstract
A series of statistics questions answered in 15 pages. Topics include standard scores, correlation, linear regression, random sampling and probability, sign test, t-tests, chi-square and hypothesis testing and significance. Bibliography lists 5 sources.
Page Count:
15 pages (~225 words per page)
File: CC6_KSstatsQues5.rtf
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Unformatted sample text from the term paper:
Finding proportions from tables of z scores (dont have tables available) Part 2. More complex use of the z score calculation
2.1 Express as z score (How your final grade is calculated). Z = (127-100) ? 15
Z = 1.8 2.2 How many std dev away from mean? 27 points away from mean (127
- 100); std dev = 15 Score is 27 ? 15 = 1.8 standard deviations away from the mean. 2.3 Emily has a score
of 73 2.3.1 Express 73 as z score Z = (73-100) ? 15 Z = -1.8 2.3.2 How
many std dev away from mean? 27 points below mean (73 - 100); std dev = 15
Score is -27 ? 15 = -1.8 standard deviations away from the mean. Part 3. Integration Use scores of 67, 73,
79, 78, 50, 80, 98, 88, 79, 71, 57, 81, 41, 65, 50, 71, 91, 75, 60, 79, 79, 71, 65, 85, 64 for the following questions. Mean 71.88 Standard
Deviation 13.44 Sample Variance 180.69 3.1 Express score of 65 as standard score Z = (65
-71.88) ? 13.44 Z = -0.512 3.2 Marys score z = (raw score - average) ? std
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