Interpreting Linear Data in Scatter Plots

What type of association does this graph have?

• positive

• negative

• none

What type of correlation (association)?

The outside temperature and the amount of layers you wear.

• Positive correlation

• Negative correlation

• No correlation

The number of siblings you have and your weight.

• Positive correlation

• Negative correlation

• No correlation

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

What is a trend line that shows the most accurate relationship between x and y and is is very close to most of the data points?

• trend line

• no correlation

• line of best fit

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

What is the correlation?

• Negative correlation

• No correlation

• Positive correlation

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

If a scatterplot has no association then...

• ...it has no ordered pairs

• ...it has ordered pairs that have a negative pattern

• ...its ordered pairs have no predictable pattern

A teacher made the following graph showing absences vs. final grades. Predict the grade of a student that has 7 absences.

• 45

• 50

• 60