Posted by **Hannah** on Tuesday, March 20, 2012 at 8:44pm.

The average score on a science test was 72 with a standard deviation of 6. The average score on a history test was 89 with a standard deviation of 7. Compare the variability of the two classes.

## Answer this Question

## Related Questions

- statistics - Three students take equivalent stress tests. Which is the highest ...
- statistics - Three students take equivalent stress tests. Which is the highest ...
- math Standard deviation - Six students took a national standardized test for ...
- statistics - Suppose that the mean score of an exam was 77 when taken 30 ...
- statistics - Suppose that the mean score of an exam was 77 when taken 30 ...
- statistics - 10.51 A statistics professor compared the scores of her morning ...
- Stasistic - On a test whose distribution is approximately normal with a mean of ...
- Math - On a test whose distribution is approximately normal with a mean of 50 ...
- statistics - Paul received a score of 80 on a history test for which the class ...
- statistics - A maintenance supervisor is comparing the standard version of an ...