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Questions and Answers
What does the coefficient estimate for water content in the linear regression model represent?
What does the coefficient estimate for water content in the linear regression model represent?
- The standard deviation
- The error term
- The slope of the line (correct)
- The intercept of the line
What does a t value close to 0 indicate for the intercept in the linear regression model?
What does a t value close to 0 indicate for the intercept in the linear regression model?
- Error in the data
- Inconsistent results
- No impact on calorific value (correct)
- Significant impact on calorific value
What does a high standard error for a coefficient in a linear regression model imply?
What does a high standard error for a coefficient in a linear regression model imply?
- Measurement error in the data
- No impact on the model
- High reliability of the coefficient estimate
- Low reliability of the coefficient estimate (correct)
If the residual for a data point is negative, what does it suggest about the actual calorific value compared to the predicted value?
If the residual for a data point is negative, what does it suggest about the actual calorific value compared to the predicted value?
What does a 95% confidence interval for a coefficient in a linear regression model tell us?
What does a 95% confidence interval for a coefficient in a linear regression model tell us?
What does a negative residual value for a data point in the linear regression model suggest?
What does a negative residual value for a data point in the linear regression model suggest?
Interpreting the coefficient estimate for water content in the linear regression model, what would a negative value imply?
Interpreting the coefficient estimate for water content in the linear regression model, what would a negative value imply?
What is the implication of a very high t value for the intercept in the linear regression model?
What is the implication of a very high t value for the intercept in the linear regression model?
What does a low standard error for a coefficient in a linear regression model suggest?
What does a low standard error for a coefficient in a linear regression model suggest?
In the context of linear regression, what does the 95% confidence interval for a coefficient provide information about?
In the context of linear regression, what does the 95% confidence interval for a coefficient provide information about?
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