The Central Limit Theorem states that, if a random sample of size n is drawn from a population, then the sampling distribution of the sample mean :
a. is approximately normal if n < 30.
b. is approximately normal if n > 30.
c. is approximately normal if the underlying population is normal.
d. None of these choices.
Question 2
If the coefficient of determination is 0.95, this means that 95 of the variation in the independent variable x can be explained by the y variable.
Indicate whether the statement is true or false