Why is it important to know the amount of shared variance when interpreting both the significance and the meaningfulness of a correlation coefficient?

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ABC/123 Version X

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Correlation and Regression Worksheet

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PSYCH/625 Version 4

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University of Phoenix Material

Correlation and Regression Worksheet

Complete the questions below in at least 90 words. Be specific and provide examples when relevant.

Cite any sources consistent with APA guidelines.

Question Answer
Draw a scatterplot of each of the following:

· A strong positive correlation

· A strong negative correlation

· A weak positive correlation

· A weak negative correlation

Give a realistic example of each.

TASK ONE HERE

TASKE TWO HERE

What is the coefficient of determination? Why is it important to know the amount of shared variance when interpreting both the significance and the meaningfulness of a correlation coefficient? TASK THREE
If a researcher wanted to predict how well a student might do in college, what variables do you think he or she might examine? What statistical procedure would he or she use? TASK FOUR
What is the meaning of the p value of a correlation coefficient? TASK FIVE

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Copyright © 2017 by University of Phoenix. All rights reserve