Bivariate data Quiz

What is Bivariate Data?

• A set of data that shows a relationship between two variables.

• A set of data that shows a relationship between three variables.

This Venn Diagram represents results of a survey that asked participants whether they would want an aardvark or a porcupine as a pet. How many people would have an Aardvark as a pet?

• 27
• 20

• 7

• 9

This Venn Diagram represents results of a survey that asked participants whether they would want an aardvark or a porcupine as a pet. How many people were surveyed?

• 47
• 20

• 17

• 9

What type of association does this scatter plot represent?

• Weak positive

• Moderate postiive

• Weak negative

• No Association

What type of association does this scatter plot represent?

• Weak negative

• Moderate positive

• No association

• Strong negative

The scatter plot shows the number of hours of miles jogged and the number of minutes jogged for a number of members at a gym. Which point is an outlier?

• (0.5, 6)

• (0.5, 26)

• (1.5, 8)

• (3.25, 34)

Match each description with the best possible correlation.

• No Correlation

• The temperature outside and ice cream sales

• Positive Correlation

• Total time spent playing video games and the number of cars you own

• Negative Correlation

• The number of days absent from school and your final grade in a class

The correlation is positive if the y variable generally increases as the x variable increases.

• True

• False

Describe the following time-series plots as having a linear (straight line) trend, non-linear trend (a curve) or no trend.

• linear trend

• non-linear trend

• no trend

This time-series graph shows the temperature over the course of 8 hours of a day. State the temperature at 12 noon.

• 20

• 24

• 28

• 30