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Medals PLs help me with this.... A simple random sample of 50 students is taken from a class of 300 students. In the class, * 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. Find E(S)

Mathematics
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what is E(W) and SE(W)
se standard error
E(W) =12

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Other answers:

i got the E(W) I need help to get the E(S)
same here
how to calculate SE(W)?
E(S)= 67
SE(W)?
SE(W) = 2.76 SE(S) = 1.5518

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