W7BL4 QUIZ Understanding Correlation and Regression

Which of the following best describes a negative correlation in a scatterplot?

• The points form a horizontal line.

• The points rise from left to right.

• The points fall from left to right.

• The points are scattered randomly.

• There is a strong positive correlation.

• There is a strong negative correlation.

• There is no correlation.

• The data is perfectly negatively correlated.

If a scatterplot shows points closely clustered around a line that slopes downward, what can you say about the correlation?

• Positive correlation

• Negative correlation

• No correlation

• Perfect positive correlation

• Perfect positive correlation

• No correlation

• Perfect negative correlation

• Weak negative correlation

• Strong positive trend

• Strong negative trend

• No linear trend

• Weak positive trend

• Strong positive correlation

• Strong negative correlation

• Weak positive correlation

• No correlation