Use the Normal Curve Distribution attached to guide you in answering the following questions: 1. Sara's...
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Use the Normal Curve Distribution attached to guide you in answering the following questions: 1. Sara's score on the standardized math test fell between the mean and one standard deviation above the mean. If the arithmetic mean of all scores on the test was 100 and the Standard Deviation was 15, provide the score band that contains Sarah's score (write on the answer sheet) (2 points) 2. George did better than his sister Sarah in the standardized Reading test for second grade, as he scored two standard deviations above the mean; while Sarah scored one and a half standard deviations above the mean. Provide the twins' obtained scores on the test if the arithmetic mean of all scores was 50, and the standard deviation was 10. Sarah's score = _and George's score= _(write on the answer sheet). (2 points) 3. Ms. Sanchez administered a mandatory language screening test to Adler, a threeyear old preschooler, and brought Adler's scores to you, the assessment professional at the school for interpretation and action. You look at Adler's score, you use the interpretation guide, and you realize that Adler scored half a standard deviation below the mean, that is, a Z score of 0.5. The testing manual says that all children who fall within the middle 68% (or above) on the Standard Normal Curve need not be referred. Select the decision you will make about Adler, and write it on the answer sheet (4 points). Options: Do not refer Refer Rescreen Use the Normal Curve Distribution attached to guide you in answering the following questions: 1. Sara's score on the standardized math test fell between the mean and one standard deviation above the mean. If the arithmetic mean of all scores on the test was 100 and the Standard Deviation was 15, provide the score band that contains Sarah's score (write on the answer sheet) (2 points) 2. George did better than his sister Sarah in the standardized Reading test for second grade, as he scored two standard deviations above the mean; while Sarah scored one and a half standard deviations above the mean. Provide the twins' obtained scores on the test if the arithmetic mean of all scores was 50, and the standard deviation was 10. Sarah's score = _and George's score= _(write on the answer sheet). (2 points) 3. Ms. Sanchez administered a mandatory language screening test to Adler, a threeyear old preschooler, and brought Adler's scores to you, the assessment professional at the school for interpretation and action. You look at Adler's score, you use the interpretation guide, and you realize that Adler scored half a standard deviation below the mean, that is, a Z score of 0.5. The testing manual says that all children who fall within the middle 68% (or above) on the Standard Normal Curve need not be referred. Select the decision you will make about Adler, and write it on the answer sheet (4 points). Options: Do not refer Refer Rescreen
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Saras score Mean 100 Standard Deviation 15 One standard deviation ab... View the full answer
Related Book For
Stats Data and Models
ISBN: 9780321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
Posted Date:
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