Question
esults of a Department of Education survey of SAT test scores in 22 states showed the following results. 11states had an average composite test score
esults of a Department of Education survey of SAT test scores in 22 states showed the following results.
11states had an average composite test score of at least 1000 during the past 3 yr.
16states had an increase of at least 10 points in the average composite score during the past 3 yr.
6states had both an average composite SAT score of at least 1000 and showed an increase of at least 10 points during the past 3 yr.
(a) How many of the 22 states had composite scores of less than 1000 and showed an increase of at least 10 points over the 3-yr period?
states
(b) How many of the 22 states had composite scores of at least 1000 and did not show an increase of at least 10 points over the 3-yr period?
states
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
