17:49 0 0 0 M A O O Hil 82% Quiz-8 - Saved O E . .. Quiz 8 A. Determine the meanx), variance?x) and standard deviation x) of each. 1. A random sample of size 4 is taken with 7=8. X = 2. An independent random sample size 9 is taken 2=12. X = 3. A random sample of size 25 is taken with 2=50.5. X = 4. An independent random sample size 100 is taken 2=25. X = 5. A random sample of size 40 is taken with 2=60. X =