Select the correct answer.
kristen gathered data from her classmates about the age and contents of their backpacks. she displayed the data in two scatter plots
plot a
plot b
y+20
total number of
pens and pencils
number of pens
+ + + + + + + +
8 12 16
backpack age (months)
+
20
number of pencils
does either scatter plot indicate a positive correlation between the variables?
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