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SAT Scores. Each year, thousands of high school students bound for college take the Scholastic Assessment Test (SAT). This test measures the verbal and mathematical abilities of prospective college students. Student scores are reported on a scale that
- a. Obtain the standard deviation of the variable “SAT math score” for this population of students.
- b. For simple random samples without replacement of sizes 1–487, construct a table to compare the true values of σx—obtained by using Equation (7.1)—with the values of σx obtained by using Equation (7.2). Explain why the results found by using Equation (7.2) are sometimes reasonably accurate and sometimes not.
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Chapter 7 Solutions
Introductory Statistics, Books a la Carte Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (10th Edition)
Additional Math Textbook Solutions
Intro Stats, Books a la Carte Edition (5th Edition)
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