This is over Quartiles and Percentiles. I'm not understanding how to find the measure that follow questions A-F

90, 95, 75, 80, 85, 60, 100, 98, 94, 83, 79 a.) P15 b. ) P 84 C.) P43 10000 d.) P20 e.) Pgo f.) Complete the 5-number summary: Minimum First Median Third Maximum Quartile Quartile