Thursday

August 28, 2014

August 28, 2014

Posted by **Panther** on Sunday, April 14, 2013 at 9:41pm.

graduates who majored in biology. How many such incomes must be found if the

economist wants to be 95% confident that the sample mean is within $500 of the true

population mean? Assume that research has found that the population standard

deviation for such incomes is equal to $6,250.

- statistics -
**PsyDAG**, Monday, April 15, 2013 at 12:27pm95% = mean ± 1.96 SEm

1.96 SEm = $500

SEm = SD/√n

**Related Questions**

Statistics - I am not sure how to even get started on this question could ...

statistics - Is there a significant difference between first year post college ...

Statistics - A random sample of customer incomes yields a mean income of $35000 ...

statistics - suppose you believe that in general, graduates who have majored in ...

Statistics - Suppose you believe that, in general,graduates who have majored in ...

neiu - Is there a significant difference between first year post college incomes...

statistics - the mean annual income for adult women in one city is and the ...

statistics - A survery of 80 randomly selected companies asked them to report ...

Statistics - An admissions director wants to estimate the mean age of all ...

statistics - The National Center for Education surveyed 4400 college graduates ...