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20 questions
Determine the predicted income if 22 hours were worked on an assembly job.
$207.30
$449.60
$691.90
$543.30
This measures how strong or weak the relationship between 2 quantitative variables are.
Scatter Plot
Causation
Correlation
Line of best fit
What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?
Strong positive
Weak positive
Strong negative
Weak negative
Determine the correlation coefficient of the given data:
.9820
-.9643
1.409
.6864
Is this line an accurate line estimate of best fit for the data?
Yes
No
Is this line an accurate line estimate of best fit for the data?
Yes
No
Shape?
Skewed right
Skewed left
Symmetric
Normal
What type of Correlation?
Positive Correlation
Negative Correlation
No Correlation
What type of Correlation?
Positive Correlation
Negative Correlation
No Correlation
What is the y-intercept?
-2
3
2
-3
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