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[PDF File]Interpreting Statistical Measures—Class Scores
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The following results describe the scores from a pre-test (a test given before a chapter is taught) in two math classes. Class 1 Class 2 Mean 78 72 Median 65 73 Standard deviation 16 6 What do the pre-test scores seem to say about how much the students in each class already know about the topic of this test?
standard deviation results interpretation

[PDF File]8.1 Distribution of the Sample Mean MATH 241 TEAGUE
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Suppose that a simple random sample of size n is drawn from a population with mean g and standard deviation The sampling distribution of x has a mean of — g and a standard deviation given by the ... What the probabi that a random sample of 13 second grade students from the city results in a mean reading rate of more than 93 words per minute?
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[PDF File]Battelle Developmental Inventory 2 Edition Explanation of ...
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Battelle Developmental Inventory – 2nd Edition Explanation of Assessment Results The BDI-2 is a standardized assessment instrument, meaning it is given the same way following the same instructions and procedures each time it is given. It is norm-based, meaning that scores are generated by the child’s performance based on the performance of
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[PDF File]Analysis of Reading Fluency and Comprehension Measures for ...
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To analyze the reading comprehension results, 1117 student records were examined. With the range of possible scores from 0-9, the mean score was 7.76, with a standard deviation of 1.47. Descriptive statistics for reading comprehension by ethnicity and educational classification are presented in Table 2.
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[PDF File]Oral and Written Language Scales, Second Edition (OWLS-II ...
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Reading Comprehension 37 82 78-86 Below Average 12 7–4 Written Expression 50 68 62-74 Deficient 2 6–7 Note: The derived mean standard score for this test is 100, with a standard deviation of 15. A standard score of one standard deviation below or above the mean is …
standard deviation of the mean

[PDF File]Mapping State Proficiency Standards Onto NAEP Scales
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• In reading, the difference in NAEP equivalent scores between the states with the highest and lowest proficiency standards is about 76 points on the NAEP 0–500 scale. This difference is about twice the size of the standard deviation on the NAEP national grade 4 reading assessment (37 points) and more than twice the 30-point difference between
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[PDF File]Woodcock-Johnson Tests of Achievement: Explanation of ...
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Woodcock-Johnson Tests of Achievement: Explanation of statistics ... “Test results indicate that Sam’s performance on this ... The scale is the same as the IQ test. In other words, the average standard score is 100 with a standard deviation of 15. (See Table Two) For example, if a client named John had a standard score of 85 in the ...
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[PDF File]A Guide to Interpretation - ZEISS
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A Guide to Interpretation SAMPLE CASE 1: 39-year-old patient with normal visual ﬁ eld. SAMPLE CASE 2: 78-year-old patient with probable glaucomatous ﬁ eld, showing indications of a cataract, and an arcuate scotoma. THRESHOLD VALUES GRAYSCALE MAP PROBABILITY SYMBOLS GAZE TRACKING TOTAL DEVIATION PROBABILITY MAP PATTERN DEVIATION PROBABILITY MAP
understanding standard deviation results

[PDF File]Interpreting the Item Analysis Report - Stony Brook University
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Standard deviation: The standard deviation is a statistic which tells us how widely the scores are spread from the mean. A large standard deviation means that there is much variability in the test scores of the group (i.e. students performed quite differently on the test).
standard deviation results interpretation

[PDF File]Vineland Adaptive Behavior Scales, Third Edition (Vineland ...
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standard deviation of 15. ... MALADAPTIVE BEHAVIOR RESULTS v-scale scores have a mean of 15, SD of 3 Critical Items Scored 2 (Often) or 1 (Sometimes) ... and reading and writing. His Communication standard score is 65, with a 90% confidence interval of 58 to 72. This corresponds to a percentile rank of 1. These scores are in line with
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Reading standard deviation results