Line of Best Fit and Correlation

Front

What type of association does this graph have? Options: positive, negative, none, all of the above

Back

negative

Front

What type of association does this graph show?

Back

none

Front

Is this line an accurate line estimate of best fit for the data?

Back

No

Front

Is this line an accurate line estimate of best fit for the data?

Back

Yes

Front

Equation of the line of best fit?

Back

Front

Which sentence describes the relationship shown on this scatter plot? Options: As the temperature decreases, the visitors increase. As the temperature increases, the number of visitors increases. As the visitors increase, the temperature decreases. No correlation

Back

As the temperature increases, the number of visitors increases.

Front

The amount of time since a movie was released and the amount of tickets sold

Back

Negative Correlation

Front

Estimate the correlation coefficient for this scatterplot.

Back

r = -0.9

Front

A correlation value (r) that has a strong, positive linear association would have a value close to

Back

1

Front

What is the correlation (r) between the number of kids you have and the number of points the Vikings score in a game?

Back

r = 0