Paragraph Styles Discussion Board 2 - Median Quartile Percentile (Location) & Chebyshev's & Z-Values 1. Using the following numbers: 15 17 22 27 29 34 37 45 49 51 53 56 Find the Median, 3'd Quartile and the 30th percentile (No Rounding - Exact answer). ** When computing quartiles and percentages, use the exact method from the notes. This will be truefor the exam as well, not all calculators use the exact method. ( Chris O'Byrne 2022)* * 2. The average amount of time an airplane spends in the air during the day is 7.8 hours with a standard deviation of 2.6 hours. What is the minimum proportion(percentage) of airplanes that will spend between 3.8 hours and 11.8 hours in the air on any given day? (round your final answer to 4 decimal places and express as a percentage - ex. .6123 expressed as 61.23%) 3. The average amount of time it takes to board an airplane is 25.7 minutes with a standard deviation of 5.2 minutes. If you have a z-score of -1.3, what time does this represent? (round your final answer to the nearest hundredth - ex. 31.06 minutes)