Vocabulary
Making a Scatter plot
Describing Associations
Finding y
Calculator Skills
100
A graph with points to show the relationship between two sets of data
Scatter plot
100
Draw a trendline on this graph:
100
Describe this association.
Strong, Positive, Linear
100
Using the scatterplot below, come up with a reasonable estimate for y when x = 5
About 20 or 21.
100
5+5
10
200
a number that falls outside of the other numbers
extrapolate
200
Draw a trendline on this scatterplot:
200
Describe this association
Weak, Negative, Linear
200
Using the scatterplot below, come up with a reasonable estimate for x when y = 60
Around 19 or 20.
200
(80 / 2)+ 2
42
300
A data point that is very different from the rest of the data
outlier
300
Draw a trendline on this scatterplot:
300
Describe the association:
No association, with an outlier
300
Using the scatterplot below, come up with a reasonable estimate for y when x = 13
Somewhere from 40-45
300
54 + 47 - 3
98
400
A line on a scatter plot that helps show the correlation between data sets more clearly
Normally goes through at least 2 points
line of best fit
400
What is missing from the following scatterplot?
A title, labels on the axes, units
400
Describe the association
Moderate, Negative, Linear
400
Using the scatterplot below, come up with a reasonable estimate for y when x = 10
Around 20.
400
((16 x 2) / 4) + 3
11
500
a number that falls inside of the other numbers
Interpolate
500
Would this be a positive association or negative
500
Describe the association
Strong, Positive, Nonlinear
500
Using the scatterplot below, come up with a reasonable estimate for x when y = 10
Around 12.
500
(10 + 9 x 4 - 13) / 3
11