Mean, standard deviation and normal distribution HSS.ID.A.4 Grade Practice Test Questions TOC | Lumos Learning

Mean, standard deviation and normal distribution HSS.ID.A.4 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics

Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics Mean, standard deviation and normal distribution

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A class scored an average of a 75 on a test with a standard deviation of 2.5. Jessica scored a 95 and her teacher calculated the Z-score to be -14.5. How can you tell this Z-score is wrong?

Resource: Question

Question Type: Extended Constructed Response

Standard(s):HSS.ID.A.4

Standard Description: Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.

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