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.

A group of coworkers have decided to have a hot dog eating contest. Use a stem-and-leaf diagram to display the results of the contest shown here.

12, 15, 25, 33, 9, 14, 26, 29, 5, 10, 12, 20, 23, 15, 6, 21, 10, 7, 12, 18, 12, 10

A group of 20 college students was asked to indicate how many hours they spent on social media today. The results are listed below.  Use the results to construct a frequnecy table.

2, 6, 10, 3, 1, 0, 5, 8, 0, 2, 3, 5, 7, 9, 0, 3, 7, 2, 1, 10

The data here show the critical reading SAT scores for a group of 20 incoming college freshmen. Construct a histogram from the data.

The data here show the ACT scores for a group of 18 incoming college freshmen. Find the first, second, and third quartiles.

20 31 25 22 30 28 32 21 27

30 23 30 25 31 23 20 23 26

The data here shows the ACT scores for a group of $18$ incoming college freshmen. Construct a box-and-whisker plot from the data. $$20 \quad 31 \quad 25 \quad 22 \quad30 \quad 28 \quad 32 \quad 21 \quad 27$$ $$30 \quad 23 \quad 30 \quad 25 \quad31 \quad 23 \quad 20 \quad 23 \quad 26$$

The pie chart shows where a group of freshmen students live. Use the pie chart to answer the following questions:

1. Find the total number of students surveyed.

2. Find the ratio of those living in the dorms to the total surveyed.

3. Find the ratio of those living in their parents’ homes to those living in apartments.

The pie chart shows the market share for different digital movie companies.

1. How many people in the survey stream digital movies from Netflix?

2. How many people stream their digital movies from Apple and Comcast combined?

Railroad Crossings. Thee table in your text shows the number of vehicle-train collision fatalities (deaths) at railroad crossings in the United States for the years 2010 through 2017. Find the standard deviation for the data.

For the test score data used previously in this section, find the variance and the standard deviation.