A population A and population B both have a mean of 6.0 inches with a SD of 5.0.A random sample of 40 people is picked from population A, and random sample of 30 people is selected from Population B. Which sample mean will probably yield a more accurate estimate of its population mean? Why? Calculate the Standard Error of the mean(SEM) using the Central Limit Theorem, and explain how this equation supports your answer.