Posted by **anonymous** on Monday, August 2, 2010 at 12:00am.

a score of 10 indicates severe depression, while a score of 0 indicates no depression. From reports, she is able to find out about past testing. Fourth graders at her school usually score 5 on the scale, but the variation is not known. Her sample of 20 fiftsh graders has a mean depression score of 4.4.

The counselor calculates the unbiased estimate of the population's variance to be 15. What is the variance of the distribution of means?

## Answer This Question

## Related Questions

- statistics - A school counselor tests the level of depression in fourth graders ...
- statistics - A school counselor tests the level of depression in fourth graders ...
- Statistics - A school counselor tests the level of depression in fourth graders ...
- Statistics - A school counselor tests the level of depression in fourth graders...
- statistics - A school counselor tests the level of depression in fourth graders ...
- math - . A school counselor tests the level of depression in fourth graders in a...
- Statistic - A school counselor tests the level of depression in fourth graders ...
- Psychology - A school counselor tests the level of depression in fourth graders ...
- PSY - A school counselor tests the level of depression in fourth graders in a ...
- statistics - A school counselor tests the level of depression in fourth graders ...

More Related Questions