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[DOC File]Math 116 - Montgomery College
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Use the standard normal table (table 5) to find . a) Areas to the left of a given z score. b) Areas to the right of a given z score. c) Areas between any two given z scores. Find z-scores that leave an area α to it’s right / left. Find the two symmetric z-scores that separate a middle area c from the rest of the distribution
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[DOC File]Ways to Measure Central Tendency
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Standardized Score (z-score) Calculation. Definition. Problem 3 - Test Scores. a) Suppose the mean score on a stats exam is 80 and the standard deviation is 6.07. John scored an 86, Megan scored a 99, and Stu scored a 72. Calculate the z-score for each student. b) Suppose the mean score on a chemistry test is 76 and the standard deviation is 4.
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[DOC File]Kenwood Academy
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Sep 07, 2011 · 6) Find and interpret the z score of an observation. 7) Use the Z table and calculator to calculate the proportion of values above, below, or between two stated numbers. 8) Calculate the point having a stated proportion of all values above or below it. 9) Construct and interpret a Normal Probability Plot
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[DOCX File]NOTE: - Anne Gloag's Math Page
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Before technology, the z-score was looked up in a standard normal probability table (because the math involved is too cumbersome) to find the probability. In this example, a standard normal table with area to the left of the z-score was used. You calculate the z-score and look up the area to the left. The probability is the area to the right. z ...
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[DOCX File]Virginia Department of Education
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Students will investigate the properties of a normal curve and the standard normal distribution. They will transform normally distributed data to standard normal scores using z-scores transformations in two problem contexts. The activity also introduces how percentiles are determined using a standard normal table or by using a calculator.
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[DOCX File]Mrs. Venneman
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-score from a percentile in the standard Normal distribution.-Use Table A or technology to find (i) the proportion of values in a specified interval, or ... -Determine whether a distribution of data is approximately Normal from graphical and numerical evidence. Density Curve.
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[DOC File]INFORMATION AND REQUIREMENTS
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TS1: Normal distribution (normal curve, standard normal table, z-score) Case: Investment risk analysis. HW#1 Due: Ch 7: 7.3 4/6 W TS2: Probability (random experiment, outcome, sample space, event, sources of probability) Quiz 1: Ch. 6: 6.1-6.4 Week 3 411 M TS2: Probability – (rules for computing probability)
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[DOC File]Andrew Boutros - Franklin Township Public Schools
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3) standardize with new graph (turn x into z). 4) use table A or calculator: normalcdf (lowerbound, upperbound, µ, σ) 5) answer the question (remember if the distributions is approximately normal, you have an approximate probability). HW p 118 1 – 4, p 121 6 – 8 (not 7d) Finding a Data Value from a z-score: Z = x =
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[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.
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Normal table z score calculator