Consider a random sample of size n=4 taken without replacement rom a finite population with
N=10. Suppose that ci=2i+3,i=1,2,,N. (a)Find the variance of the sample mean. (b) Let
Y=5X1+4X3+8. Find the variance of Y..
Z Score,T Score, Percential Rank and Box Plot Graph
Consider a random sample of size n=4 taken without replacement rom a .pdf
1. Consider a random sample of size n=4 taken without replacement rom a finite population with
N=10. Suppose that ci=2i+3,i=1,2,,N. (a)Find the variance of the sample mean. (b) Let
Y=5X1+4X3+8. Find the variance of Y.