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[DOC File]Sample Test Questions -- Test 1 - University of Florida
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B. We want to find the score x with area 0.05 to its right under the normal curve. That’s the same as finding the score x with area 0.95 to its left. Use the table A for the entry close to 0.95. It is 1.645. Then, unstandardize it, x = 62 + 1.645*12=81.74. B. Z= (45-62)/12=-1.42. Enter table A under Z=-1.42. The table entry is 0.0778..0778 ...
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[DOC File]Wednesday, August 11 (131 minutes)
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In 2001, Arizona Diamondback Mark Grace’s home run total had a standardized score of z = –0.48. Interpret this value and calculate the number of home runs he hit. HW #19: page 99 (1, 5, 9, 11, 13, 15) Tuesday, September 16: 2.1 Transforming Data and Density Curves
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[DOC File]CHAPTER 2 REVIEW
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(b) The z-score that is corresponding 90% is 1.285. Thus, giving x = 73.205 in. (c) Since you want to know what the top 99% of scores would look like, the area to the left would be 0.01. That is, a z-score of z = -2.325. Thus, giving x = 64.185 in. (d) 68%, 95%, 99.7%, respectively.
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[DOC File]Z-Score Practice Worksheet
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A score of 80, where the mean score of the sample data values is 30. A score of 20, where the mean score of the sample data values is 50. 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 Einstein’s IQ and the mean? Convert Einstein’s IQ score to a z score.
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[DOC File]Exam 3 Practice Questions
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In short look up (1-0.93)/2=.035 in the middle of the table and z is the absolute value of the z-score. D. The sampling distribution of is the distribution of values taken by in
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[DOC File]Discrete Math - wsfcs.k12.nc.us
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A. 55 and 95 B. 0 and 95 C. 45 and 100 D. 65 and 85 . Assuming there were no outliers, the lowest score on the exam was around . A. 0 B. 10 C. 45 D. 75. Approximately what percent of the students scored between 65 and 75? A. 10% B. 34% C. 68% D. 95%. Peter’s score on the exam places him in the 16th percentile of the class.
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[DOC File]Confidence Intervals
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A 95% confidence interval means that there is a 95% chance that the confidence interval contains the population mean. The standard normal distribution is sometimes called the Z distribution. A Z score always reflects the number of standard deviations a particular score is above or below the mean. If you are calculating a 95% confidence interval ...
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[DOC File]Lecture 6 – Z scores
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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:
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[DOC File]Z-Score Practice Worksheet
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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.
z score examples with answers

0 95 z score