1.
Choose the scatter plot that has a prediction equation with a negative slope.
A.
B.
C.
D.
Hint
2.
A best-fit line is drawn on a scatter plot showing the average daily temperature and the number of people at a public swimming pool. The slope of the line would probably be ________
A.
positive.
B.
undefined.
C.
negative.
D.
zero.
Hint
3.
A scatter plot is __________.
A.
a set of data graphed as ordered pairs in a coordinate plane
B.
a table of data
C.
a line graphed in a portion of Quadrant I of the coordinate plane
D.
a line graph
Hint
4.
The table shows the average heights (in centimeters) of females ages 1-14. If this trend continues, about how tall will an average fifteen-year-old female be?
A.
168.5 cm
B.
156.9 cm
C.
160.3 cm
D.
163.7 cm
Hint
5.
When finding the equation for a line of fit for a scatter plot, you should use __________.
A.
two points that you think represent the data well
B.
the first and last points on the plot, with respect to the horizontal
C.
the point most characteristic of the scatter plot
D.
all of the points on the plot
Hint