Data collection: Randomly survey 20 people, ages 18 and older. Ask them how many hours they typically spend engaging in screen time on a normal day, and how much they weigh (in pounds). Remember, screen time can include watching shows on a television, laptop, tablet, smart device, working, being in class, etc. Record this data.

Weight and Screen Time: Analyzing the Data

Choosing the right hypothesis test

• What kind of hypothesis test do you need to analyze the results from this study? How do you know?

Appraising the data

• Use the graphs you just created to appraise whether the assumptions of the hypothesis test are met. Describe the results of your appraisal.

Hypothesis test