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The percentage of U. S. college freshmen claiming no religious affiliation has risen in recent decades. The bar graph shows
the percentage of first-year college students claiming no religious affiliation for four selected years from 1980 through 2012
Percentage of First-year U. S. College Students
Claiming Religious Affiliation
ar of Due Dates -
a. Estimate the average yearly increase in the percentage of first-year college males claiming no religious affiliation. Round
30
the percentage to the nearest tenth.
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b. Estimate the percentage of first-year college males who will claim no religious affiliation in 2020.
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1980 1990 2000 2012
a. The average yearly increase in the percentage of first-year college males claiming no religious affiliation is approximately % per year.
(Round to the nearest tenth as needed.)