Correlation

Correlation

Multiple Choice

Temperature and number of people wearing jackets

• Positive Correlation

• Negative Correlation

• No Correlation

Multiple Choice

Number of days absent from school vs. math average

• Positive Correlation

• Negative Correlation

• No Correlation

Multiple Choice

What kind of correlation?

• Positive

• Negative

• No

Multiple Choice

What kind of correlation?

• Positive

• Negative

• No

Multiple Choice

Which graph represents data that has a correlation coefficient close to -1?

Multiple Choice

Estimate the correlation coefficient for this scatterplot.

• r = 1.2

• r = 0.89

• r = 0

• r = -0.89

Multiple Choice

Estimate the correlation coefficient

• r = 1

• r = -1

• r ≈ -0.8

• r ≈ 0.8

• r ≈ -0.5

Multiple Choice

Which example shows CAUSATION? (Which one CAUSED the other to happen.)

• Rainfall and time spent reading.

• Eating more butter and increased divorce rates.

• It started raining and the baseball game was delayed.

Multiple Choice

Which example shows CORRELATION? (The events show correlation, but one thing does NOT cause the other thing to happen.)

• I put water in the freezer and now I have ice.

• The alarm clock went off and I woke up.

• Temperature and the amount of people at the beach.