Blue Chapter 9 Pretest
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by Angela Stark
| 9 Questions
1
1
POPULATION: The graph shows the population (in millions) of the United States from 1960 to 2010. In what year was the population of the United States about 180 million?

1960
1970
1980
1990
2000
2010
2
1
What was the approximate population of the United States in 1990?

3
1
Describe the trend shown by the data.


Positive linear relationship
Negative linear relationship
Nonlinear Relationship
No Relationship
4
1
WEIGHT: The table shows the weight of a baby over several months. Which scatterplot matches the data









First scatterplot
Second scatterplot
Third scatterplot
5
1
Write an equation of the line of fit. Remember y=mx+b

y=8x+1
y=16x+1.5
y=7x+1.5
y=1.5x+7
6
1
The baby is gaining 1.5 pounds per month and was born with a weight of 7 pounds.

True
False
7
1
READING: You ramdomly survey students at your school about what type of books they like to read. The two-way table shows your results. Find and interpret the marginal frequencies. Select all that are correct.

26 students like nonfiction
48 students like nonfiction
22 students dislike nonfiction
20 students dislike nonfiction
8
1
Choose the best data display for the following situation: Magazine sales grouped by price.
Scatterplot
Two-Way Tables
Histogram
Bar Graph
9
1
Choose the best data display for the following situation: The distance a person hikes each week.
Line graph
Stem-and-Leaf Plot
Scatterplot
Pictograph
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