Thursday

April 17, 2014

April 17, 2014

Posted by **Abby** on Monday, March 29, 2010 at 11:19am.

- statistics -
**PsyDAG**, Monday, March 29, 2010 at 12:05pmQ3 = 75 percentile

In a table in the back of your stat book labeled something like "areas under normal distribution," find the Z score equivalent. Put value in formula below.

Z = (x - μ)/ SD = (81-66)/SD

Solve for SD.

**Related Questions**

statistics - The distribution of scores on a standardized aptitude test is ...

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

statistics - Answer the question(s) based on the following situation: 150 ...

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

Statistics - A distribution of 800 test scores in a biology course was ...

Math/Statistics - A statistics teacher believes that the final exam grade for ...

Statistics Math Help - A distribution of 800 test scores in a biology course was...

stats. - The GMAT test is required for admission to most graduate programs in ...

Statistics - Suppose that two different tests A and B are to be given to a ...

statistics - 1) A scale measuring prejudice has been administered to a large ...