Wednesday

January 28, 2015

January 28, 2015

Posted by **Rhea** on Sunday, September 26, 2010 at 12:42am.

a. 90 and 150

b. 60 and 180

c. 30 and 210

- Statistics -
**PsyDAG**, Sunday, September 26, 2010 at 11:28amZ = (score-mean)/SD

Calculate the respective Z scores. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to these Z scores.

**Answer this Question**

**Related Questions**

statistics - a. A statistics practitioner randomly sampled 100 observations from...

statistics - a.a statistics practitioner randomly sampled 100 observations from ...

statistics - Given a distribution with mean X and standard deviation S, answer ...

statistics - The mean of a normal probability distribution is 100 and the ...

Math - Roughly speaking, the standard deviation indicates how far, on average, ...

statistics - Group the largest data set and find mean, median, mode, variance, ...

stats - A statistics practitioner wishes to test the following hypothesis: H0...

statistics - A statistics practitioner formulated the following hypothesis: Ho: ...

Statistics - 8. A sample of 65 observations is selected from one population. The...

statistics - 7. A sample of 40 observations is selected from one population. The...