Posted by **stylists** on Monday, April 23, 2012 at 8:28pm.

two samples of data regarding salary of Co A and Co B determine if you can be 99% sure that Co?

A makes more than Co B? Company A - Mean 55,000, Std Dev 5,000, Sample Size 200; Co B mean 52,000, Std Dev 3,000 Sample size 400 please show steps thanks

## Answer this Question

## Related Questions

- stats - salary study conducted. mean for men = $42,000. Std deviation = $9,000. ...
- Statistics - Find the 99% confidence interval for the difference between two ...
- Statistics - Find the 99% confidence interval for the difference between two ...
- Statistics- quick! Is this right? - I need to verify one of my answers quickly...
- math - Find the 95% confidence interval for the difference between two means ...
- math check - Find the 95% confidence interval for the difference between two ...
- math - Can someone give me the formula to work this out, I am not sure. Find the...
- Math - Find the value of t for the difference between two means based on an ...
- Math - Find the value of t for the difference between two means based on an ...
- statistic - Which "average" would be best to use in the following situation? ...

More Related Questions