27/According to the Central Limit Theorem, the distribution of means is: A)skewed B)bimodal C)U-shaped D)symmetrical 28/Consider the data set: 2, 4, 5, 5, 6, 9. The variance of this data set is A)5.38 B)4.45 C)2.11 D)2.32 29/Using a normal curve table, if a person has a score in the bottom 9% of all scores in a distribution, the highest Z score this person can have is: A) 1.34 B) -1.34 C) +.23 D) -23