Bivariate Data Two Way Tables and Scatter Plots

What type of association does this graph have?

• positive

• negative

• none

• all of the above

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters. 

• 150 pages

• 170 pages

• 190 pages

• 210 pages

• Positive

• Negative

• None

Tags

CCSS.HSF-LE.A.1B

John plotted points on a graph to see if there was a relationship. Then he drew a line of best fit based on the fact that his line went through the most points possible.

Decide whether which statements are False.

• John's line of best fit is correct.

• John's line of best fit should be higher to be closer to all of the points.

• John's line of best fit should be lower so that it will go through more points.

Tags

CCSS.8.EE.B.5

The two–way frequency table below shows the number of customers who bought fruit that was either fresh or frozen at the grocery store. Select ALL that apply.

• Customers who bought oranges tended to pick fresh oranges.

• Customers who bought apples tended to pick frozen apples.

• Customers who bought fruit tended to pick frozen fruits.

• Customers who bought strawberries tended to pick fresh strawberries.

Of the students who cannot bike to school, what percent of them are boys?

• 4%

• 14%

• 13%

• 29%

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association

Tags

CCSS.8.F.A.3

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade.

• No relationship exists between the number of books students read and their English grades.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 6 chapters. 

• 100 pages

• 170 pages

• 60 pages

• 20 pages

Is this function linear or nonlinear?

• Linear

• Nonlinear

Tags

CCSS.8.F.A.3