Posted by **AMY** on Sunday, February 20, 2011 at 7:02pm.

Consider a 95% confidence interval for a population mean constructed from a random sample of 250 observations taken from a Normal population. Sigma is known to be 14. If we were to construct another 95% confidence interval, this time using 1,000 observations, how would the length of this interval compare to the length of the original interval?

- statistics -
**N**, Saturday, January 26, 2013 at 2:43pm
half.

## Answer This Question

## Related Questions

- statistics - Consider a 95% confidence interval for a population mean ...
- Statistics - The standard deviation for a population is σ = 15.3. A sample ...
- Statistics - You are given the following information obtained from a random ...
- Statistics - Suppose x has a mound-shaped distribution with sigma = 9 . A random...
- statistics - Use the given confidence level and sample data to find a confidence...
- Statics - Assume that the population is normal. A sample of size 100 is taken. ...
- Statistics - These are the only ones that I am having problems with. Please help...
- statistics - A simple random sample of 60 items resulted in a sample mean of 80...
- statistics - An IQ test was administered to a random sample of 26 mental ...
- statistics - Suppose X has a mound-shaped distribution with sigma=9. A random ...

More Related Questions