Z score table for 4 and above
[DOC File]Z-Score Practice Worksheet - Weebly
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Scores on the ACT college entrance exam follow a Normal distribution with a mean 18 and a standard deviation 6. Wayne’s standardized score (z-score) on the ACT was -0.7. What was Wayne’s actual ACT score? 4.2 b) -4.2 c) 13.8 d) 17.3 e) 22.2. 8. Men’s Heights
[DOCX File]Lab 2: Probability and Random Variables - Open Michigan
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The standardized score or z‐score is the distance between the observed value and the mean, measured in terms of number of standard deviations. Values that are above the mean have positive z‐scores, and values that are below the mean have negative z‐scores. Normal Approximation to …
[DOC File]Z-Score Practice Worksheet
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A score that is 20 points above the mean. z=2. A score that is 10 points below the mean. z=-1. A score that is 15 points above the mean z=1.5. A score that is 30 points below the mean. z=-3. The Welcher Adult Intelligence Test Scale is composed of a number of subtests. On one subtest, the raw scores have a mean of 35 and a standard deviation of 6.
[DOC File]Topic 6: Standard Scores - UTC
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For a +Z score, the table gives you Start here on 9/22/15. 1. The percentage of scores in the normal distribution below that +Z. 2. The percentage of scores between 0 (the mean) and that +Z. 3. The percentage of scores above that +Z, called the tail percentage. For a –Z score (a negative Z), the table …
[DOC File]Review Answers for Quiz on Topics 14 – 16
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4) a) 2.27% 12.1 is two standard deviations above the mean. Using the z-score . table gives a value of 0.9773 for z = 2.0. However, this would represent the proportion of rulers that are less than 12.1 inches. So, 1 – 0.9773 = 0.0227 or 2.27%. b) 68% 11.95 is one standard deviation below the mean and 12.05 is one . standard deviation above ...
[DOC File]# of successes (r)
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Using the table, find z-score associated with this probability: 2.06 Solve for x. Sentence lengths of 34.289 years and above fall into the upper 2% of the distribution.
[DOC File]Data Screening Check List - CSUN
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Describe where they were found (what type of analysis, grouped, ungrouped, “A grouped by B”, etc.) Case Number Z score Reason for being an outlier (refer to 1-4 above). How handled (fixed, changed, deleted, *transformed) *Only after a check for normality is performed.
[DOCX File]Currituck County Schools / Overview
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z-score corresponding to a confidence level of 95%. A table shows that this . z-score, is 1.96. The other piece of information he needs is the sample size, n, which is 226.Substitute these numbers into the formula to find the margin of error, E,
[DOC File]How to Design and Evaluate Research in Education
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A z-table gives percent of scores from any score to the mean (Appendix, pp. A-4/5) The probability for getting higher or lower than any given score can then be calculated. T-scores are often used because negative z scores awkward (all T-scores are positive) Multiply z times 10, then add 50 (p. 212 Table …
[DOC File]6A: Characterizing a Data Distribution
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= z-score of 35/16 = 2.1875. According to Table 6.3, a z-score of 2.2 is at the 98.6th percentile. So 1.4% of the 1,000,000 Martians, i.e. 14,000 Martians, score over 140. Venusians: Mean = 95, standard deviation = 16 IQ pts. 140 = 45 pts above the mean = 45/16 s.d.’s above the mean = z-score of 45/16 = 2.8125. According to Table 6.3, a z ...
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