AP Stat Scatter Plots

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

What is a point called in a scatter plot that is abnormal or falls away from the pattern of the remaining data?

• Outlier
• Domain
• Median
• Line of best fit

What would the correlation be between the "number of miles traveled" and the "amount of gasoline in the tank"?

• Positive correlation
• Negative correlation
• No correlation
• Cannot be determined from information given

What would be the correlation between shoe size and IQ?

• Positive correlation
• Negative correlation
• No correlation
• Cannot be determined from information given

If Joe worked 30 hours, how much is he expected to earn?

• $600
• $200
• $1000
• $800

Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  
What is the response variable?

• How far they kick the soccer ball
• Who the person is
• How well they do on the math test
• Type of soccer ball

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and has the same music playing in the room. In this investigation, the explanatory variable is

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

What Is the form of the scatterplot?

• Positive 
• Negative
• Linear
• Non-linear

Tags

CCSS.8.F.A.3

What is the form of the scatterplot?

• Negative 
• No association
• Linear
• Non-linear

Estimate the correlation coefficient.

• r = -1
• r = 1
• r = -0.5
• r = 0.5