The two primary objectives of regression analysis are to study relationships between variables and to use those relationships to make predictions.
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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
Q6: Correlation is measured on a scale from
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
Q12: In every regression study there is a
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