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SAT SCORES Results of a Department of Education survey of SAT test scores in 22 states showed that
10 states had an average composite SAT score of at least 1000 during the past 3 years.
15 states had an increase of at least 10 points in the average composite SAT score during the past 3 years.
8 states had both an average composite SAT score of at least 1000 and an increase in the average composite SAT score of at least 10 points during the past 3 years.
a. How many of the 22 states had composite SAT scores of less than 1000 and showed an increase of at least 10 points over the 3-year period?
b. How many of the 22 states had composite SAT scores of at least 1000 and did not show an increase of at least 10 points over the 3-year period?
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Chapter 6 Solutions
Finite Mathematics For The Managerial, Life, And Social Sciences
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALGlencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
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