Quiz

Suppose the mean amount of money that American college students spend on housing per month is $420 with a standard deviation of $50.  Two research projects were recently done.  The first surveyed 100 randomly selected students and the second surveyed 3600 randomly selected students about their housing expenses.

A.  Determine the sampling distribution of each.
 

B.  In a complete sentence explain why part A indicates that the second survey provides a more accurate study.