What is a z score in math

• [DOCX File]Discrete Math - Winston-Salem/Forsyth County Schools

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  Find the z-scores corresponding to each of the following values: A score of 60, where the mean score of the sample data values is 40. A score that is 30 points below the mean 40. A score of 80, where the mean score of the sample data values is 30. A score of 20, …

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• [DOC File]Z-Score Practice Worksheet

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  Quiz on z-Scores and Probabilities. The following scores were obtained as part of a sample with mean 10 and standard deviation 2. For each score, find the appropriate z-score: X = 14: z = X = 8: z = Use the table in the appendix, page 592 of the book, to find the given probabilities. Note: the numbers in . the table . might. not give you . the ...

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• [DOCX File]Z-Scores Worksheet

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  Z Score Intro Worksheet– Math three. Name _____ _____ period ____ 1. Ms. Delany’s. grades were as follows …. 4. 9. 39. 45. 6. 0. 62. 38. 46. 6. 1. 63. 37. 48 ...

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• [DOC File]Z-Score Practice Worksheet

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  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: Suppose you took 3 midterm examinations in Math, English, and Biology, and you want to compare your scores: Math English Biology your score 90 85 93 Mean 85 82 94 Standard deviation 5 2 1 z-score 1.

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• How to Calculate Z Scores: 15 Steps (with Pictures) - wikiHow

  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. Albert Einstein reportedly had an IQ of 160. What is the difference between Einsteins IQ and the mean? 60. How many standard deviations is that? 3.75. Convert Einstein’s IQ …

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• [DOC File]Lecture 6 – Z scores

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  z-score of zero (z = 0) is the mean of the data. (Zero means Not above or below) z-value. Calculation: Author: WSFCS Workstation Created Date: 01/03/2016 09:36:00 Title: Discrete Math Last modified by: Smithers403 Company:

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