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October 31, 2014

October 31, 2014

Posted by **Din123** on Sunday, May 12, 2013 at 12:24pm.

* the average midterm score is 67 and the SD is 12

* there are 72 women

Let W be the number of women in the sample, and let S be the average midterm score of the sampled students.

1 - Find E(W)

2 - Find SE(W)

3 - Find E(S)

4 - Find SE(S)

- Statistics -
**Din123**, Sunday, May 12, 2013 at 12:27pmFind E(W) is 12, but I don't know the others. Could someone help me?

- Statistics -
**Anonymous**, Sunday, May 12, 2013 at 11:46pmE(S)=11,1667

- Statistics -
**Din123**, Monday, May 13, 2013 at 7:29amThis E(S) is wrong

- Statistics -
**Din123**, Monday, May 13, 2013 at 12:31pmE(S) = 67

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