Question

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)

Answer 1

what is E(W) and SE(W)

Answer 2

se standard error

Answer 3

E(W) =12

Answer 4

i got the E(W) I need help to get the E(S)

Answer 5

same here

Answer 6

how to calculate SE(W)?

Answer 7

E(S)= 67

Answer 8

SE(W)?

Answer 9

SE(W) = 2.76
SE(S) = 1.5518