A marketing researcher wants to estimate the mean amount spent per year on a web site...
A marketing researcher wants to estimate the mean amount spent per year on a web site by membership member shoppers. Suppose a random sample of 150 membership member shoppers who recently made a purchase on the web site yielded a mean amount spent of 59$ and a standard deviation of 57$.
(a) Identify the critical values(s)
the critical value(s) is/are _ ( round to two decimal places)
(b) Determine the test statistic.
the test statistic, tstat, is _ ( round to two decimal places)
(c) Determine the p-value and interpret its meaning.
the p-value is _
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A marketing researcher wants to estimate the mean amount spent
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