Wednesday

August 20, 2014

August 20, 2014

Posted by **dee** on Wednesday, March 24, 2010 at 10:11am.

billy scores 5. what is his standard score?

what scale of measurement is being used? is it appropiate? why/why not?

- standard deviation -
**PsyDAG**, Wednesday, March 24, 2010 at 11:15amThe Z score indicates standard deviations from the mean. It is accurate as long as the distribution is normal.

Z = (score - mean)/standard deviation

You can do the calculations.

**Related Questions**

MATH - A mean score on a standardized test is 50 with a standard deviation of 10...

statistics - a mean score on a standardized test is 50 with a standard deviation...

Stastics - When we convert x-value to z- score and use Standard Normal ...

statistics - The distribution score for a city wide math test scores results in ...

statistics - Three students take equivalent stress tests. Which is the highest ...

statistics - Three students take equivalent stress tests. Which is the highest ...

statistics - what are the mean and standard deviation of a sampling distribution...

Statistics - Students were given an exam with 300 multiple-choice questions. The...

math - Statistics: Analyze student exam scores Students were given an exam with ...

statistics - Eric has computed that it takes an average (mean) of 17 minutes ...