Question:

The combined scores of the almost 1.7 million high school

Last updated: 8/5/2022

The combined scores of the almost 1.7 million high school

The combined scores of the almost 1.7 million high school seniors taking the SAT in 2013 were approximately Normal with mean 1011 and standard deviation 216. According to the 68-95-99.7 Rule, what percent of high school seniors had SAT scores between 1011 - 216 = 795 and 1011 + 216 = 1227? 99.7% 95% 68% all of them.