Exciting Entertainment Entertainment is big business. According to pcmag. com, Americans spend more than $2.6 billion dollars on digital music each year. Video games are popular, too. Americans spend more than $24.7 billion dollars on video games and related accessories each year.

Today you will investigate music downloads and usage of video games. You will make graphs, read and interpret graphs, and analyze entertainment data. You will review and apply the statistics terms and concepts you learned in this unit.

As you complete the task, you will use measures of center and measures of spread to draw conclusions about a data set. As you do, you will be answering the question, “Does one’s gender or age tell us anything about their entertainment choices?”

Directions:

Complete each of the following tasks, reading the directions carefully as you go.

You will be graded on the work you show, or your solution process, in addition to your answers. Show all of your work and answer each question as you complete the task. Type all of your work into this document so you can submit it to your teacher for a grade. You will be given partial credit based on the work you show and the completeness and accuracy of your explanations.

Your teacher will give you further directions on submitting your work. You may be asked to upload the document, e-mail it to your teacher, or hand in a hard copy.

Now let’s get started!

Step 1: Describing and analyzing the data

Sixth-grade students completed a random survey to determine how many songs each student has downloaded to his/her media player in the past two months. The data gathered is represented in the table below.

a) Compute the measures of center for both the boys and girls data. Describe their differences. Use the terms mean and median to justify your answer. (3 points)