Question: The data shown (in part) below gives the percentage of household wealth held by the top 1% income earners of the U.S. population from 1922-1998.

a. [5 points] Is the household wealth “process” in statistical control as evidenced by Ind. X & MR(2) charts? Hint: runs test violations, if any, should NOT be considered when giving your answers.

b. [5 points] Which years—if any—are OOC on either chart?