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Construct the scatter plot for the following data. From the plot does there appear to be a linear correlation?  Data x 2 -4 -2 -1 -2 -1 -4 6 -5 -2 y -1 -7 2 -7 4 -2 -5 4 -4 -5   2. Find the value of the linear correlation coefficient.        3. Perform a hypothesis test on the claim that there is a linear correlation. Does there appear to be a linear correlation? Why or why not?   (Use the traditional method) List the null and alternative hypothesis, the critical value, the test statistic, Draw the graph and label the test statistic, critical value and rejection regions. Reject or fail to reject? State the conclusion

Construct the scatter plot for the following data. From the plot does there appear to be a linear correlation?  Data x 2 -4 -2 -1 -2 -1 -4 6 -5 -2 y -1 -7 2 -7 4 -2 -5 4 -4 -5   2. Find the value of the linear correlation coefficient.        3. Perform a hypothesis test on the claim that there is a linear correlation. Does there appear to be a linear correlation? Why or why not?   (Use the traditional method) List the null and alternative hypothesis, the critical value, the test statistic, Draw the graph and label the test statistic, critical value and rejection regions. Reject or fail to reject? State the conclusion

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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  1. Construct the scatter plot for the following data. From the plot does there appear to be a linear correlation? 

Data

x 2 -4 -2 -1 -2 -1 -4 6 -5 -2
y -1 -7 2 -7 4 -2 -5 4 -4 -5

 

2. Find the value of the linear correlation coefficient. 

 

 

 

3. Perform a hypothesis test on the claim that there is a linear correlation. Does there appear to be a linear correlation? Why or why not?  

(Use the traditional method)

List

  • the null and alternative hypothesis,
  • the critical value,
  • the test statistic,
  • Draw the graph and label the test statistic, critical value and rejection regions.

Reject or fail to reject?

State the conclusion

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