Friday, 4/22: Line of Best Fit

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

About how many male math teachers were there in 2006? Options: 15, 30, 35, 45

Back

35

Front

What type of correlation does this scatter plot show? Options: positive, negative, no correlation, nonlinear association

Back

negative

Front

In the equation y=3x-5, what is the value of the y-intercept?

Back

-5

Front

Select the statement that best describes the line: The line is the line of best fit., The line is NOT a line of best fit because it does not pass through two points., The line is NOT a line of best fit because it does not go through the middle of the data set., The line is NOT a line of best fit because it does not go through the origin.

Back

The line is NOT a line of best fit because it does not go through the middle of the data set.

Front

If m=3 and b=6, what is the correct slope intercept equation? Options: y=3-6, y=3x-6, y=3x+6, y=6x+3

Back

y=3x+6

Front

Based on the graph, if Joe earned $400, how many hours did he work? Options: 25 hours, 35 hours, 45 hours, 15 hours

Back

25 hours

Front

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

Back

C

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