Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_eur-inferential_statistics-117-en_eur-inferential_statistics-117-en
   name	eur-inferential_statistics-117-en
   section	Inferential Statistics/Parametric Techniques/z-test/Two proportions, Inferential Statistics/Confidence Intervals/Confidence level
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Calculate
   Program	Calculator
   Language	English
   Level	Statistical Literacy

   Question

   In a random sample of 60 households from City 1, 45 decorate their house during the holidays. In a random sample of 50 households from nearby City 2, 40 households decorate their house. We want to estimate the difference in the proportion of households that decorate their house using a 95% confidence interval. What is the large sample standard error of the difference in sample proportions?

   
   
   1. FALSE: 0.040
   2. TRUE: 0.0795
   3. FALSE: 0.0802
   4. FALSE: 0.1125
   
   

   Solution

   The correct answer is 0.0975

   
   
   1. This answer is incorrect
   2. This is the correct answer!
   3. This answer is incorrect
   4. This answer is incorrect