Posted by **Belinda** on Thursday, April 7, 2011 at 6:59am.

If the mean of a set of data is 20.00 and 12.20 has a z-score of -1.30, then the standard deviation must be: What formula would you use to determine this?

## Answer This Question

## Related Questions

- statistics - Eric has computed that it takes an average (mean) of 17 minutes ...
- statistics - If the mean of a set of data is 21.00, and 6.00 has a z score of –1...
- statistics - if the mean of a set of data is 23.00 and 10.00 has a z-score of -1...
- statistics - 2. Why is it important to know the mean and standard deviation for ...
- psy - Eric has computed that it takes an average (mean) of 17 minutes with a ...
- college statistics - a set of data is normally distributed with a mean of 1000 ...
- statistics-normal distribution - a set of data is normally distributed with a ...
- statistics - set of data is normally distributed with a mean of 200 and standard...
- Stastics - When we convert x-value to z- score and use Standard Normal ...
- math (statistics - John's z-score on a college entrace exam is 1.3. If the raw ...

More Related Questions