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[DOC File]PSYC 201 - Dr
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1. The mean of a set of scores is 12.0 and the standard deviation is 4.0. Please convert each of the raw scores of 9 and 13 to standard scores. Please convert these same two raw scores to percentile scores. 2. In the population the mean score for a measure of memory function is 17.3 and the standard …
standard scores to percentiles chart

[DOCX File]NAMEXX’S TEST SCORES - My School Psychology
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The middle half of these standard scores falls between 90 and 110. SCALED SCORES ("standard scores on some tests) are standard scores with an average (mean) of 10 and a . standard deviation. of 3. A scaled score of 10 would also be at the 50th percentile rank. The middle half of these standard scores falls between 8 and 12.
standard score to percentile rank

[DOC File]PSYC 201 - Dr
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a). calculate the standard deviation. b). convert each raw score to a standard score. c). convert each raw score to a percentile score. X--8 9 12 15 16 ---Draw the normal curve and, on the x-axis, label the standard scores ranging from -3 to +3 (you only need to use whole numbers).
t scores to percentiles chart

[DOC File]Conversion of National Percentile Ranks to State Standard ...
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The choice in this report was to convert percentile ranks to T-scores, a common standard score based on a normal distribution with a mean of 50 and a standard deviation of 10 points. Regardless of which norm-referenced test ADE should choose to adopt, conversion of percentile ranks to T-scores will provide consistency in interpretation over time.
scaled score to percentile rank

[DOC File]COMMONLY USED ASSESSMENT and SCREENING …
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No standard scores are reported, but raw scores are converted to percentile ranks; percentiles and a profile analysis can be plotted on the scoring form. Strengths: Because so few instruments exist that measure family and child adjustment, this instrument has been utilized extensively as a screening instrument during the initial interview ...
scaled scores to percentiles

[DOC File]Z-Score Practice Worksheet
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If the standard deviation is 70 wpm, find the z-scores associated with each of the following reading speeds. a) 320 wpm b) 475 wpm c) 610 wpm. 4. SAT vs. ACT. Eleanor scores 680 on the SAT mathematics test. The distribution of SAT scores is symmetric and single peaked, with a mean of 500 and standard deviation of 100.
psychometric conversion table

[DOC File]Percentiles and z-scores - DePaul University
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2. Suppose a data set has a mean of 50 and a standard deviation of 8. Convert the following data values to z-scores. a. 50. b. 60. c. 65. d. 42. e. 12. 3. What is the z-score of a data value that is 0.5 standard deviations above the mean? In what percentile is that data value? 4. What is the z-score of a data value that is 1.9 standard ...
convert t scores to percentiles

[DOC File]Z-Score Practice Worksheet
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How many standard deviations is that? 3.75. Convert Einstein’s IQ score to a z score. (160 – 100)/16 = 3.75. If we consider “usual IQ scores to be those that convert z scores between -2 and 2, is Einstein’s IQ usual or unusual? Unusual. Women’s heights have a mean of 63.6 in. and a standard …
scaled score to percentile conversion

[DOC File]Rey-Osterrieth Complex Figure Score Sheet
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Percentile Norms for Accuracy Scores Obtained by Adults on Memory Trials of the Complex Figure Test. Percentile 10 20 30 40 50 60 70 80 90 100 Score 15 17 19 21 22 24 26 27 29 31 Placed properly 2 points. Placed poorly 1 point. Placed properly 1 point. Placed poorly 1/2 point. 0 points ...
standard scores to percentiles chart

[DOC File]The POWERMUTT Project: Standard Scores and the Normal ...
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The formula for converting raw scores on any variable X to z scores is:, where: zi is the standard score for case i, Xi is the raw score for case i, μ is the mean of the variable, and. σ is the standard deviation of the variable. You can use the compute tool to convert any interval variable to z-scores once you know the mean and the standard ...
standard score to percentile rank

Convert standard scores to percentiles