Thursday

December 18, 2014

December 18, 2014

Posted by **Kasi** on Sunday, August 1, 2010 at 9:10pm.

ACT exam are normally distributed with a mean of 211 and deviation of 4.8.

Using the 68-95-99.7 rule, find the percentage of ACT scores within 9.6 of the mean of 21.1, and 14.4 of the mean of 21.1

- statistics -
**PsyDAG**, Monday, August 2, 2010 at 11:20amMean ± 2 SD = 95%

Mean ± 3 SD = 99.7%

**Answer this Question**

**Related Questions**

statistics - Using the 68-95-99.7 rule: Assume that a set of test scores is ...

statistics - Using the 68-95-99.7 rule: Assume that a set of test scores is ...

statistics - Scores on the ACT college entrance exam are Normally distributed ...

statistics - Using teh 68-95-99.7rule. Assume that a set of test scores is ...

statistics - Assume that a set of test scores is normally distributed with a ...

stats - Using the 68-95-99.7 rule: Assume that a set of test scores is normally ...

statistics - Using the 68-95-99.7 rule: Assume that a set of test scores is ...

statistic - Using the 68-95-99.7 rule: Assume that a set of test scores is ...

statics - Using the 68-95-99.7 rule: Assume that a set of test scores is ...

Math-statistics - Assume that a set of test scores is normally distributed with ...