n a large population of college educated adults the mean IQ

Last updated: 11/14/2023

n a large population of college educated adults the mean IQ is 112 with standard deviation 25 Suppose 300 adults from this population are randomly selected for a market research campaign The distribution of the ample mean IQ is O A approximately Normal mean equal to the observed value of the sample mean standard deviation 25 O B approximately Normal mean 112 standard deviation 0 083 O C approximately Normal mean 112 standard deviation 25 O D approximately Normal mean 112 standard deviation 1 443