Scatter plots

The cell phone company collected data about student's texting skills. They collected the texting speed in words per minute according to time in minutes. Identify the data's independent and dependent variables.

Use the table to interpret the axes labels of the scatterplot as either time or testing speed.

• time (min)

• Texting Speed (words per min)

What can you conclude from the data? Check all that apply

• The number of times a song is played on the radio affects its number of downloads

• Increased radio play affects the download demand for all songs equally

• Even though there was very high radio play, the downloads of one song remained very low.

• In general, increased radio play does not affect the number of downloads

The data set in the table forms a cluster and does not include outliers. Which point, if added to the table, would be an outlier?>

Which points would be considered outliers? Check all that apply.

• (3, 9)

• (4,4)

• (6,5)

• (7,1)

• (11, 2)

Which best describes the data in the table?

• There are no outliers, but there is a cluster

• There is a cluster and outliers

• There are no clusters or outliers

• There are no clusters, but there are outliers

Describe the relationship between the variables.

• There is no relationship between the variables

• As the age increases, the height increases

• As the age increases, the height decreases

• As the height decreases, the age decreases

Which scatterplots have clusters? Check all that apply.

• 
• 
• 
• 

Use the scatterplot to determine if there is a relationship. If there is a relationship, explain it.

• Yes, there is a relationship. As time increases, texting speed increases

• Yes, there is a relationship. As time increases, texting speed decreases

• yes, there is a relationship. As texting speed increases, time increases.

• No, there is no relationship displayed.