Correlation is measured on a scale from 0 to 1,where 0 indicates no linear relationship between two variables,and 1 indicates a perfect linear relationship.
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Q1: Correlation is used to determine the strength
Q2: To help explain or predict the response
Q3: A regression analysis between X = sales
Q4: The residual is defined as the difference
Q5: An outlier is an observation that falls
Q7: The two primary objectives of regression analysis
Q8: Cross-sectional data are usually data gathered from
Q9: The least squares line is the line
Q10: In regression analysis,we can often use the
Q11: A negative relationship between an explanatory variable
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