A random sample of 100 attorneys showed an average stress level = 85 points with standard deviation = 12 points. Another random sample of 100 architects showed an average stress level # 75 points with standard deviation = 10 points. Which of the following is TRUE? e This is a matched-sample problem. The statistic to be used is Z. O This is a two-sample problem. The statistic to be used is T. O This is a matched-sample problem. The statistic to be used is T. This is a two-sample problem. The statistic to be used is Z