Discuss the below:
Q: For n=17. Find P(t<-1.746) a) .05 b).95 c).45 d) 1.0
A random sample of 64 observations is observed from a population of SAT scores in 2001. Which of the following is a correct statement?
a) It is the distribution of the observed 64 SAT scores.
b) X-bar is approximately normal.
c) The mean of all possible x-bars is average of a set of 64 scores.
d) The variance of x-bars is the same as the population variance. Please explain how you derived at your solution and add any comments that you feel might be helpful.