Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufsw-pvalue-0073-en_vufsw-pvalue-0073-en
   name	vufsw-pvalue-0073-en
   section	inferential statistics/nhst/p-value
   type	schoice
   solution	TRUE, FALSE, FALSE, FALSE, FALSE, FALSE
   Type	interpretating output
   Program	NA
   Language	English
   Level	statistical literacy

   Question

   A random sample of 1919 respondents in the Netherlands (source: European Social Survey, 2016) were asked the following question posed, “All things considered, how happy would you say you are?”, where the response options ranged between “very unhappy” (0) and “very happy (10).

   We conducted a t-test for two means (independent t-test) conducted to test whether there was a significant difference between young people (group 1: 18 to 30 years old) and older people (group 2: 65 years old or older). The results are shown in the output below.

   The P-value in this two-sided test turns out to be 0.733. What can we conclude from this? 

   

   
   
   1. TRUE: There is a 73% chance that we observe this difference between young and old people (or an even greater difference), if the zero hypothesis is TRUE.
   2. FALSE: The probability is 73% that we observe this difference between young and old people (or an even greater difference), if the alternative hypothesis is TRUE.
   3. FALSE: There is a 73% probability that we observe this difference between young and old people (or an even smaller difference), if the alternative hypothesis is TRUE.
   4. FALSE: The probability is 73% that we observe this difference between young and old people (or an even smaller difference), if the zero hypothesis is true.
   5. FALSE: The probability is 73% that we observe this difference between young and old people (or an even smaller or an even greater difference), if the zero hypothesis is TRUE.
   6. FALSE: There is a 73% probability that we observe this difference between young and old people (or an even smaller or an even greater difference), if the alternative hypothesis is TRUE.
   
   
   1. True
   2. False
   3. False
   4. False
   5. False
   6. False