Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufgb-chisquared-015-en_vufgb-chisquared-015-en
   name	vufgb-chisquared-015-en
   section	Inferential Statistics/NHST/Test statistic/Chi-squared, Inferential Statistics/NHST/Hypothesis/Null hypothesis
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Interpreting output, Conceptual
   Program
   Language	English
   Level	Statistical Thinking

   Question

   Given is the following table obtained in a study (N = 32,574) of ‘maternal drinking’ and ‘congenital malformations’.

   

   The independence test provides a $\chi^{2}$-value of 12.08. Key with a $\alpha$ of 1% whether this outcome is statistically significant.

   
   
   1. FALSE: The critical value is 11.3. Conclusion: do reject $H_{0}$.
   2. FALSE: The critical value is 13.3. Conclusion: do reject $H_{0}$.
   3. FALSE: The critical value is 11.3. Conclusion: do not reject $H_{0}$.
   4. TRUE: The critical value is 13.3. Conclusion: do not reject $H_{0}$.
   
   
   1. Incorrect
   2. Incorrect
   3. Incorrect
   4. Correct