Correlation aand regression analysis
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Residual Plot: Consider the data in the table below.
A. Examine the data and identify the relationship between x & y.
B. Find the linear correlation coefficient & use it to determine whether there appears to be a significant linear correlation between x & y.
C. Construct a scatter plot. What does it suggest about the relationship between x and y?
D. Construct a residual plot. Are there any noticeable patterns? What does the residual plot suggest about the relationship between x and y?
X | 0 1 2 3 4 5 6 7 8 9 10
Y | 0 1 4 9 16 25 36 49 64 81 100
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Solution Summary
The solution provides step by step method for correlation analysis . Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.
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Statistics
Residual Plot: Consider the data in the table below.
X | 0 1 2 3 4 5 6 7 8 9 10
Y | 0 1 4 9 16 25 36 49 64 81 100
A. Examine the data and identify the relationship between x & y.
Clearly Y is the square of the X
B. Find the linear correlation coefficient & use it to ...
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