Aresearcher conducted an internet survey of 500 students at a particular college to estimate the
average amount of money students spend on groceries per week. the data is normally distributed,
with the highest weekly amount being $200, and the lowest weekly amount being $75. the sample
mean is $140. what is the margin of error, rounded to the nearest hundredth, for this college?
hint:
sd=
i, where sd is the standard deviation, xh is the high value, and x, is the low value
m. e.=-62
where sd is the standard deviation and n is the sample size