The sum of the residuals in a least squares regression model will ...

[crobinson2013]

The sum of the residuals in a least squares regression model will be zero only when the correlation between the x and y variables is statistically significant.
 
  Indicate whether the statement is true or false

Question 2

In a time series with quarterly sales data, assume that the seasonal index for the summer quarter has been found to be 0.87,
 
  this can be interpreted to mean that sales tend to be 87 percent higher in the summer quarter when compared to the other quarters.
   Indicate whether the statement is true or false

[kiamars2010]

Answer to Question 1

FALSE

Answer to Question 2

FALSE

[crobinson2013]

Thank you

[kiamars2010]

Happy to help you