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A random sample of 25 college students attending the RWU Spring Concert showed that they had...

A random sample of 25 college students attending the RWU Spring Concert showed that they had an average amount of $15.00 cash in their pockets. This same sample data had a sample standard deviation of $2.50.
a. (3 pts.) What is the point estimate for the population mean µ, amount of cash in the pockets of a RWU student?
b. (4 pts.) Find the 95% confidence interval for the population mean µ, amount of cash in the pockets of a RWU student.
c. (3 pts.) Interpret your results in the context of this problem.

Math   Statistics-And-Probability   
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