Tammy’s last four homework scores were 68, 76, 70, and 74. The mean absolute deviation of her scores is . Tammy worked hard on yesterday’s assignment and feels confident that this homework score will be at least a 90. Predict what will happen to her mean absolute deviation if she is correct: . Tammy was correct. She earned a 92! The new mean absolute deviation of her homework scores now that they are 68, 76, 70, 74, and 92 is: .