There are approximately three different formulas for calculating percentiles. Using the same seven numbers {2, 2, 5, 6, 9, 10, 13} as in the video, find the 87th percentile? Please use my website as a cacluator for this problem https://www.statjackson.com/calculators/percentile-to-data-value. Select the answer according to the Percentile, k/100 * (n + 1) Method