Scatter Plots and Predictions

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes

• No

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household of 7 people?

• $240

• $190

• $210

• $300

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 chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

What type of correlation does this scatter plot show?

• positive 

• negative

• no correlation

• nonlinear association

Based on the scatterplot, the best prediction of the total number of pages in a book with 6 chapters is ​ ​ (a)  

• 120 pages

• 140 pages

• 170 pages

• 220 pages

Phil collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot. Based on the scatterplot, what is the best prediction of the number of hours one of Phil's friends spends sleeping when the friend spends 1 hour playing video games?

• 9 hours

• 8 hours

• 10 hours

• 7 hours

Tags

TEKS 8.5D

• $13,500.00

• $11,454.55

• $13,454.55

• $636.36

Students recorded the total number of pages and chapters in each of several books on the scatterplot. Based on the scatterplot, which is the best prediction of the total number of pages in a book with 4 chapters?

• 150 pages

• 140 pages

• 90 pages

• 120 pages

• $85

• $50

• $35

• $25

Based on the scatterplot, about how much money would a group of 10 people be expected to spend on food and beverages at this restaurant?

• $135

• $115

• $105

• $150