What does a high correlation between two variables show? The potential to predic
ID: 3072308 • Letter: W
Question
What does a high correlation between two variables show?
The potential to predict changes in one variable based on changes to the other
That when plotted on a graph, there will be no intercept
That nothing else affects the relationship
That high scores in one variable lead to low values in the other
What does an error in the regression mean?
The data points all fall in a vertical line.
Y cannot be predicted perfectly.
There have been errors in the data entry.
The data points all fall in a horizontal line.
What is the correlation between the following?
X
Y
1.3
1.6
–1.2
–1.0
–0.1
–0.2
0.5
0.3
–0.8
–0.6
.79
-.79
-.97
.97
a.The potential to predict changes in one variable based on changes to the other
b.That when plotted on a graph, there will be no intercept
c.That nothing else affects the relationship
d.That high scores in one variable lead to low values in the other
Explanation / Answer
(1) The potential to predict changes in one variable based on changes to the other.
(2) Y cannot be predicted perfectly.
(3) Correlation(X, Y) = 0.97 (Option D)
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