QUIZ- Module 14

• As one variable increases, the other variable does not change.

• As one variable increases, the other variable increases.

• As one variable decreases, the other variable decreases.

• As one variable increases, the other variable decreases.

Which of the following is NOT a true statement about

scatter plots A and B?

• Only scatter plot A shows negative association.

• Neither scatter plot appears to have any outliers.

• Scatter plot A has a stronger association than B.

• Only scatter plot A shows linear association.

Write an equation in slope-intercept form for the

trend line shown on the scatter plot below.

Should be in y=mx+b form.

Mathematical Equivalence

ON

The scatter plot shows the number of days

since several people filled their cars with gas

and the gallons of gas in their tank. Which is

the most reasonable estimate of the gallons of

gas in a tank if it has been 3 days since filling

up?

• 13 gallons

• 17 gallons

• 23 gallons

• 10 gallons

• A

• B

• C

• D

Which variables would the scatter plot at the right be most likely to

represent?

• The number of siblings a person has and the person’s GPA

• The number of guests at a hotel and the total water consumption

• The total number of miles driven and the total gallons of gas used

• The number of people at a concert and the total concession sales

Use the data to construct a scatter plot.

The table below shows the average temperature during the day and the number of snow cones sold for several days. Use the data to answer 7-9.

HINT: Look at your paper for the table.

Hint: Use the scatter plot you created from this table.

Which is true about the association

seen in the data?

• The association is positive and

  non-linear.

• The association is positive and

  linear.

• The association is negative and

  linear.

• The association is negative and

  non-linear.

Are there any outliers in the data from question #7?

• Yes; (93, 500) is an outlier since it is the greatest data point.

• Yes; (66, 250) is an outlier since it is the lowest data point.

• Yes; (88, 301) is an outlier since it does not fit the general trend of the data.

• No; there are not any outliers in the data.

Predict the number of homes in the town in

2015. 2015. Hint: 1995 is year 0.

Mathematical Equivalence

ON