Enrollment in college over a five-year period is shown by the following numbers. Find the mean enrollment over the five-year period. $$16,911,000\quad 17,272,000\quad 17,487,000$$ $$17,759,000\quad 18,248,000$$

Enrollment in college over a five-year period is shown by the following numbers. Find the median enrollment over the five-year period. $$16,911,000\quad 17,272,000\quad 17,487,000$$ $$17,759,000\quad 18,248,000$$

The selling prices of four hybrid cars were listed on hybridcars.com. $$\$23,063\quad \$31,700\quad \$28,600\quad \$24,650$$

A math class with $18$ students had the grades shown below on their first test. Find the mean, the median, and the mode.
$77 \quad 87 \quad 100 \quad 65 \quad 79 \quad 87 \quad 79 \quad 85 \quad 87\\ 95 \quad 56 \quad 87 \quad 56 \quad 75 \quad 79 \quad 93 \quad 97 \quad 92$

Find the range of the test scores.