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 a Estimate the average yearly increase in the percentage of first year college females claiming no religious affiliation Round the percentage to the nearest tenth b Estimate the percentage of first year college females who will claim no religious affiliation in 2025 Percentage of First year US College Students Claiming No Religious Affiliation Percentage 30 25 Males Females 20 15 10 2 4 69 5 0 1980 16 6 14 5 3 8 10 3 26 2 2000 2012 a The average yearly increase in the percentage of first year college females claiming no religious affiliation is approximately per year Round to the nearest tenth as needed