Line of Best Fit Review

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

If Joe worked 30 hours, how much is he expected to earn? Options: $600, $200, $1000, $800

Back

$600

Front

What is the type of correlation? Options: Negative, no association, positive

Back

no association

Front

Which scatter plot shows a linear relationship between x and y? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph C

Front

What is a line of best fit used for?

Back

To make predictions

Front

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

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: y= -2x + 10, y= 10x+ 2, y=2x+10, y= 10

Back

y= -2x + 10

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.