Wednesday

July 23, 2014

July 23, 2014

Posted by **Susan** on Sunday, December 2, 2012 at 1:13pm.

- Statistics -
**PsyDAG**, Tuesday, December 4, 2012 at 2:19pmZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√n

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to your Z score.

- Statistics -
**rashida**, Saturday, December 8, 2012 at 1:39amImagine that the probability of answering this question correctly is only p = .4, and on tests in which it is used, only 8 people attempt it. On what proportion of such tests will fewer than 3 people answer the question correctly?

**Related Questions**

Statistics - An instructor hy pothesizes that the mean of the final ex am grades...

statistics - 4 Find: a. The z score for each male salary, based on only the male...

statistics: dependent event - A psychology class is comprised of 4 female and 6 ...

Business Mathematics - During the 2011 student's orientation at Unam, it was ...

statistics - 2. A teacher wants to investigate whether there is a difference ...

statistics - 2. A teacher wants to investigate whether there is a difference ...

math - A school club consist of 30 male students and 13 female students. If 3 ...

statistics - Assuming that the population variances are equal for Male and ...

Statistics Help - Six candidates for a new position of vice-president for ...

MATH - There are 5 male students to every 9 female students at a local school. ...