Line of Best Fit

Front

What would be the correlation between study time and test grades? Options: positive, negative, none, cannot be determined

Back

positive

Front

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

Back

positive

Front

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

Back

Yes

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

Which scatterplot shows the correct trend line (line of best fit) for the relationship showing the number of bags of chocolates that are sold and the price per bag? Options: A, B, C, D

Back

B

Front

Which scatterplot shows the correct trend line (line of best fit) for the relationship shown? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph B

Front

Which scatterplot shows the correct trend line (line of best fit) for the relationship showing the number of games played and attendance in the Small Fry Baseball Tournament? Options: W, X, Y, Z

Back

Z

Front

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

B

Front

Which scatterplot shows the correct trend line (line of best fit) for the relationship between the number of visitors to a library and the number of books checked out? Options: W, X, Y, Z.

Back

Y

Front

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°? Options: 55, 0, 103, 100

Back

55