STAT 1010v
University Of Pennsylvania - Wharton School Of Business
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Exam (elaborations)
Business Statistics - Sampling and 
Sampling Distributions Quiz Exam prep
NewThe expected value of x̄ equals the mean of the population from which the sample is drawn _____. 
a) for any sample size 
b) only if the sample size is 100 or greater 
c) only if the sample size is 50 or greater 
d) only if the sample size is 30 or greater - correct answersa) for any sample size 
The basis for using a normal probability distribution to approximate the sampling distribution of x̄ and p̄ 
is _____. 
a) the central limit theorem 
b) Bayes' theorem 
c) the empirical r...