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Define what the coefficient of determination is

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Question: Creates four scatterplots so you will clearly see what four common correlations look like. This allows you to glance at a scatterplot and quickly grasp the correlation that exists. also define what the coefficient of determination is and why understanding the variance explained helps you to understand the dependent variable.

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.

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.

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?

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?

What is the meaning of the p value of a correlation coefficient?

Reference no: EM132050445

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