How does my height compare with other AP Stats students? The dotplot below represents a random sample of the heights of 20 AP Stats students to the nearest inch. 8 . . 8 8 . 8 8... n mean SD min Q1 med 23 max 60 65 75 20 67.45 4.807 56 65.5 67.5 70 78 Height (in) 1. Describe the distribution. 2. a. Arianna is 65 inches tall. What percent of the heights are less than or equal to 65? b. What is your height? What percent of the heights are less than or equal to your height? 3. Complete the table. Height |Frequency Relative Cumulative Frequency Relative Frequency 56-60 61-65 66-70 71-75 76-80 4. Use the info in the table to create a cumulative relative frequency graph. 100 a. Ms. Moe is 64 inches tall. Estimate and interpret the percentile she is at using the 80 graph. Cumulative 60 Relative Frequency 40 b. Estimate and interpret the 80th percentile. 20 0 55 60 65 70 75 80 Height (in)