<span>Aidan is 3 inches above average. A z-score of 1.0 would refer to someone exactly 1 standard deviation above average, or 3.6 inches above average, or 68.6 inches tall. A z-score of 0.0 would refer to someone exactly average. What proportion of 3.6 is 3.0? That will be your z-score</span>
you want to take your line plot and write each number on it as many times as the dots appear above it. since you have 7 numbers the center would be the 4th one. in order out of these numbers the 7 occurs fourth then giving you your answer.