Wednesday

March 4, 2015

March 4, 2015

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.

**Answer this Question**

**Related Questions**

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

statistics - The scores on the final exam in a course have approximately a bell-...

Statistics - The distribution of IQ scores is a nonstandard normal distribution ...

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

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

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

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

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

Statistics - For a normal distribution with a mean of m = 80 and a standard ...

Foundations of Measurement - Approximately 400,000 students took the GRE in 2009...