This is the problem from statistics, please help and teach me to solve them, I will give a positive feedback in the soonest possible time

1.5uppose you have measurements X1,K ,X" from a variable of interest (like SAT scores) and using them you have computed sample mean Y and the sample standard deviation 5X . What do we mean by \"standardize\" the value X10? Answer: 2. Joe took the SAT exam and scored 1825. Using scores from all students who took this test we obtained X = 1500 and 5X 2 250. What is the standard score of J oe's exam? Answer: 3. Mariam took the ACT exam and scored 24.53. The mean for all students who took this test is )7 = 20.8 and 5/ = 4.8. What is Marian's standard score? Answer: 4. What does the notation \"N(p,o-)" represent? Answer: 5. If we model data with a normal model N(p,a), what is a z-score of any observation X