Thursday

April 24, 2014

April 24, 2014

Posted by **tammy** on Sunday, April 29, 2012 at 6:19pm.

a. What is the minimum score needed to be in the bottom 10% of the distribution?

b. What scores form the boundaries for the middle 75% of the distribution.

- statistics -
**PsyDAG**, Monday, April 30, 2012 at 2:29pmZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.10) related to the Z score. Insert values to find score.

Middle 75% = ± .375 between score and mean. Use the same table.

**Related Questions**

Statistics - Which of the following statements are correct? 1.A normal ...

statistics - Which of the following statements are correct? a. a normal ...

Statistics - 1. Which of the following statements are correct? a. A normal ...

statistics - which of the following statements are correct? a. a normal ...

statistics - Which of the following statements are correct? a. A normal ...

AP Statistics - As the degrees of freedom for the t-distribution increase, the ...

Statistics - As the degrees of freedom for the t-distribution increase, the ...

statistics - 1. Which of the following statements are correct? a. A normal ...

statistic - 1. Which of the following statements are correct? a. A normal ...

Statistics - Find an example of application of Normal Distribution (or ...