Scatterplot and MAD

What type of association does this graph have?

• positive non-linear association

• negative linear association

• negative non-linear association

• positive linear association

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

The weights of 5 cats in pounds are 14, 10, 11, 9, and 12. What is the mean absolute deviation of the weights of the cats?

• 11.2

• 1.44

• 56

• 12

The shoe sizes of ten students in Mr. Wozniak’s class are 10, 8, 6, 8, 7, 9, 11, 13, 9, and 5. What is the mean absolute deviation of the shoe sizes?

• 86

• 2

• 1.8

• 8.6

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.F.A.3

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

Which scatterplot represents a positive linear relationship?

• A

• B

• C

• D

Tags

CCSS.8.F.A.3

Predict what a student, who earned a 75% on their history test, would earn on their math test.

• 60%

• 65%

• 77%

• 85%

If I have a goldfish population of 35, how many star fish will there be?

• 5

• 8

• 0

• 17

Tags

CCSS.HSF.IF.A.2

Based on the scatter plot, predict the value of y when x = 5.

• A = 7

• B = 15

• C = 8

• D = 4