Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufsw-equation-0106-en_vufsw-equation-0106-en
   name	vufsw-equation-0106-en
   section	inferential statistics/regression/equation
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE, FALSE
   Type	conceptual
   Program	NA
   Language	English
   Level	statistical literacy

   Question

   Below is the formula of a single regression model of Y. ** **Y = a + b₁ * X₁ What does the “a” in the formula mean? And what value does it take?

   
   
   1. FALSE: This is the significance level, this value is determined by the researcher. and is usually 0.05.
   2. FALSE: This is the intercept, this value is 0 if X₁ has no effect on Y.
   3. TRUE: This is the constant, this is the value of Y if X₁ is equal to 0.
   4. FALSE: This is the alpha, this value belongs to a certain t-statistic and we have to look up in a table.
   5. FALSE: This is the value of the alternative hypothesis (H_a), this value is calculated by SPSS from the sample data.
   
   
   1. False
   2. False
   3. True
   4. False
   5. False