Posted by **jen** on Tuesday, December 6, 2011 at 2:57pm.

we are interested in testing at level of significance alpha =10 whether the population mean is different than 15. a random sample of size 25 is taken with a mean of 13.9. assume standard deviation is 2 and normally distributed population. find the values for zcrit

## Answer This Question

## Related Questions

- Statistics - This is the first question..... For a population that has a ...
- Probability and Statistics - A research psychologist believes that professional ...
- statistics - IQ scores are normally distributed with a mean of 105 and a ...
- stats - You are given the following information obtained from a random sample of...
- statistics - A random sample of size 20 from a normal population will sample ...
- Statistics - A random sample of size 20 from a normal population will sample ...
- Statistics - I have a question that involves explaining what is wrong in each of...
- statistics - For each of the following samples that were given an experimental ...
- statistics - For each of the following samples that were given an experimental ...
- statistics - For each of the following samples that were given an experimental ...

More Related Questions