Posted by **kelly** on Tuesday, February 5, 2013 at 9:52pm.

Why must you square the deviation scores when computing a standard deviation using the definitional formula?

Why is the computational formula easier to use when computing variance and standard deviation?

## Answer this Question

## Related Questions

- Quantitative Analysis - The "standard deviation of the sample score" divided by ...
- statistics - Calculate SS, variance, and standard deviation for the following ...
- statistics - Calculate SS, variance, and standard deviation for the following ...
- Math Statistics - In general, what is the relationship between the standard ...
- statistics - Calculate SS, variance, and standard deviation for the following ...
- Statistics - Given that x is a normally distributed random variable with a mean ...
- college math - 20. Calculate the range, variance, and standard deviation of the ...
- Stastics - When we convert x-value to z- score and use Standard Normal ...
- Statistics - Check my answers please! Thanks a lot. Five students reported that ...
- MATH - A mean score on a standardized test is 50 with a standard deviation of 10...

More Related Questions