Saturday

March 28, 2015

March 28, 2015

Posted by **Crystal** on Monday, December 12, 2011 at 10:19pm.

A college advisor wants to estimate the mean annual income of all college students who graduated last year. It is believed that the incomes follow a normal distribution with population standard deviation of $2000. Based on a sample of 25 college graduates, the advisor obtains X=$22500. Construct a 95% confidence interval for the population mean u.

- Statistics -
**PsyDAG**, Wednesday, December 14, 2011 at 11:06am95% = mean ± 1.96 SEm

SEm = SD/√n

**Answer this Question**

**Related Questions**

Statistics - What percentage of college students are attending a college in the ...

statistics - The income of college students is normally distributed with a mean ...

math - A sample of 64 statistics students at a small college had a mean ...

Math - A sample of 64 statistics students at a small college had a mean ...

Math - A sample of 64 statistics students at a small college had a mean ...

math - A sample of 64 statistics students at a small college had a mean ...

statistics - The mean GPA (grade point averagE. of all male students at a ...

Statistics - A study is being planned to estimate the mean number of semester ...

Math-Statistics - A marketing research company needs to estimate which of two ...

Math - The college president asks the statistics teacher to estimate the average...