1. The empirical rule applies to: a) only symmetric distributions e) all distributions b) only uniform distributions d) only normal distributions 2. The 2-score for a person's IQ test is z - 1.50. What does this 2-score mean with respect to the person's 10? a) the IQ is 1.50 b) the 10 is equal to the mean c) the IQ is lower than the mean d) the IQ is higher than the mean 3. What type of data is depicted using a Pareto diagram