Z score of 0 5
[DOC File]University of Phoenix
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c) Assume a normalized attribute of an object has a z-score of 2; what does this say about the object’s attribute value in relationship to the values of other objects? [2] …
[DOC File]Statistics
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Raw score Z score 68.0 ? ? –1.6 82.0 ? ? 1.8 69.0 ? ? –0.5 85.0 ? ? 1.7 72.0 ? Questions 3a through 3d are based on a distribution of scores with and the standard deviation = 6.38. Draw a small picture to help you see what is required. What is the probability of a score falling between a raw score of 70 and 80?
[DOC File]Lecture 6 – Z scores
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z = -0.47 . z = 2.24 . z = 1.17 . z = -1.37 . For the numbers below, find the percent of cases falling above the z-score: 0.24 -2.07 A patient recently diagnosed with Alzheimer’s disease takes a cognitive abilities test and scores a 45. The mean on this test is 52 and the standard deviation is 5.
[DOC File]CHAPTER 2 REVIEW
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Scores on the scale range from 0 (no anxiety) to 20 (extreme anxiety). The mean score was 11 and the standard deviation was 3.5. Assume that the distribution of all scores on the Dental Anxiety Scale is normal with ( = 11 and ( =3.5.
[DOC File]Z-Score Practice Worksheet
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standard score (or z-score) – the number of standard deviations that a given value x is above or below the mean. In a z distribution, the mean = 0, and the standard deviation is 1. Thus, a z-score of 1.5 is 1 ½ sd above the mean, and a z-score of –2 is 2 sd below the mean. sample z: population z: Examples:
Z Score 0.5
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]Z-Score Practice Worksheet
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-0.47 2.24 For the numbers below, find the percent of cases falling above the z-score: 0.24 -2.07 A patient recently diagnosed with Alzheimer’s disease takes a cognitive abilities test and scores a 45. The mean on this test is 52 and the standard deviation is 5. What is the patient’s percentile rank? A fifth grader takes a standardized ...
[DOC File]Z-Score Practice Worksheet - Ms. Shultis
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A score of 60, where the mean score of the sample data values is 40. Z=2. A score that is 30 points below the mean. z=-3. A score of 80, where the mean score of the sample data values is 30. Z=5. A score of 20, where the mean score of the sample data values is 50. Z=-3. IQ scores have a mean of 100 and a standard deviation of 16.
[DOC File]Exam0 - UH
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Using the Normal Distribution Table, the z-score corresponding to the top 2.86% of the players is the z-score that has 1 – 0.02857 = 0.97143 area to the left of it. That z-score is approximately 1.9. Knowing this, we can calculate the actual batting average that is 1.9 standard deviations above the mean.
[DOC File]Z-Score Practice Worksheet
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On one measure of attractiveness, scores are normally distributed with a mean of 3.93 and a standard deviation of 0.75. What is the z-score for a rating of 2.75? Scores on an anti-aircraft exam are normally distributed with a mean of 99.56 and a standard deviation of 25.84. Find a z-score for a score of 110.00 and a score of 150.00.
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