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Is There a Correlation? Main Post: You have three options for selecting a dataset: the dataset from your Unit 1 discussion, a dataset available from
Is There a Correlation?
Main Post:
You have three options for selecting a dataset:
- the dataset from your Unit 1 discussion,
- a dataset available from thedataset link, or
- a dataset from theadditional dataset file.
Note:The dataset selected must have at least two quantitative variables.
Complete the following information for the selected dataset.
- What are the names of the dataset and the two quantitative variables of interest?
- scatterplot with a simple linear regression. Attach the scatterplot to your post.
- For the variables selected, run the regression available in the Excel Data Analysis Tools, or use another linear regression method. Share the output.
- What is the correlation coefficient (r)?
- Summarize the results.
- State whether the relation is strong or weak. What evidence supports your assertation?
- State whether the relation is positive or negative. What evidence supports your assertation?
- Is this result what you expected?
- Use the regression analysis output to determine the linear regression (best-fit prediction line) equation and state the equation.
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