Posted by **Zodra** on Monday, August 23, 2010 at 6:18pm.

In a study to estimate a population mean, i start with a sample size 10 and calculate the 95% confidence interval. Suppose i am not satisfied with the size of the confidence interval and want to reduce it by half. Give an estimate of sample size that i need.

## Answer This Question

## Related Questions

- Statistics - Suppose x has a mound-shaped distribution with sigma = 9 . A random...
- statistics - Help!!!!!! A confidence interval estimate for the population mean ...
- Elementary Statistics - 1) Construct a confidence interval of the population ...
- statistics - A simple random sample of 60 items resulted in a sample mean of 80...
- Statistics - Which of the following statements correctly interprets a 95% ...
- Statistics - Calculate the following: a) Determine the sample size necessary to ...
- Math Statistics - 5. Students in an introductory statistics class were asked to ...
- Math - Suppose a population is sampled and the sample mean is 16.8. The sample ...
- Statistics - A 95% confidence interval for a population mean, ?, is given as (18...
- math - With a confidence level of .95 and a confident interval of 5 and a ...

More Related Questions