Math Modeling Data

A ___________________ displays a data distribution based on a five-number summary.

• box-and-whisker plot

• quadratic functions

• function notation

• correlation

The __________ is a point whose x-value is the mean of all the x-values of the points on the scatter plot and its y-value is the mean of all the y-values of the points on the scatter plot.

• centroid

• marginal frequency distribution

• angle

• correlation coeffi cient

A ______________ , determined by the inequality in a linear inequality, divides the plane into two half-planes and the inequality symbol indicates which half-plane contains all the solutions.

• perpendicular bisector

• solution

• boundary line

• included angle

What type of correlation is shown in this plot?

• Positive

• Negative

• No Correlation

What is the BEST title for this graph?

• The Relationship between Time Spent Studying and Test Grades

• The effect of Time Spent Studying and Test Grades

• Time Spent Studying

• Test Grades

Look at the table. Which equation best models the data?

• f(x) = -4x + 1

• f(x) = 2x - 8

• f(x) = -12x + 3

• f(x) = 2x + 2

The table shows the amount of pet food in cups remaining in an automatic feeder as a function of the number of meals the feeder has dispensed. Based on the table, which function models this situation?

• f (n) = −3n + 24

• f (n) = −1/3 n + 16

• f (n) = −3n + 64

• f (n) = −1/3 n + 8

What function best models the data in the table?

• linear

• exponential

• quadratic

What is the mean of these numbers: 4, 8, 12, 16, 20?

Which sentence describes the relationship shown on this scatter plot?

• The more time spent training, the longer it takes to run 100 m.  

• As the time spent training increases, the time to run 100 m decreases. 

• As the time spent training decreases, the time to run 100 m decreases.