Statistics Linear Combinations of Variables

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 percentage of the days that it rained, did they forecast no rain?

• About 20%

• About 18%

• About 14%

• About 12%

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

Question 15

• 1

• 2

• 3

• 4

Question 5

• 1

• 2

• 3

• 4

Question 32

• 1

• 2

• 3

• 4

A scientific body of knowledge which deals with collection, presentation, interpretation and analysis of data.

• Probability

• Statistics

• Sequence

• Geometry

A branch of Mathematics that deals with collecting, organizing, analyzing and interpreting?

• Statistics

• Statestics

• Stetistics

• Staticstics

What is the difference between the highest score and the lowest score on the test?

• 15

• 100

• 6

• 10