Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufgb-equation-020-en_vufgb-equation-020-en
   name	vufgb-equation-020-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	TRUE, FALSE, FALSE, FALSE
   Type	Calculation
   Program
   Language	English
   Level	Statistical Literacy

   Question

   A researcher fits a linear regression model incorporating a quadratic effect, and finds: $\hat{y} = 10+2.5x-4x^{2}$. At what x value is the maximum?

   
   
   1. TRUE: 0.31
   2. FALSE: 0.63
   3. FALSE: -0.31
   4. FALSE: -0.63
   
   
   1. Correct
   2. Incorrect
   3. Incorrect
   4. Incorrect