Sally earned a score of 86 on her Geometry exam. How did she perform relative to the rest of her class (calculate her percentile given the stemplot of scores below)? 6 7 2334 7 5777899 8 00123334 8 569 9 03 O 16th percentile 88th percentile O 84th percentile 12th percentileGiven the following cumulative relative frequency graph, was Barack Obama, who was inaugurated at age 47, unusually young? 100 80 60 Cumulative relative frequency (%) 40 20 0 40 45 50 55 60 65 70 Age at inauguration O No. He is in the 20th percentile. O Yes. He is in the 11th percentile. O Yes. He is in the 20th percentile. No. He is in the 11th percentile.Given the following cumulative relative frequency graph, What is the 65th percentile? 100 80 60 Cumulative relative frequency (%) 40 20 40 45 50 55 60 65 70 Age at inauguration O 55; 65% of the presidents were 55 or younger when they were inaugurated. O 58; 65% of the presidents were 58 or older when they were inaugurated. O 58; 65% of the presidents were 58 or younger when they were inaugurated. O 55; 65% of the presidents were 55 or older when they were inaugurated.Given the following cumulative relative frequency graph, what would be the first and third quartiles respectively? 100 80 60 Cumulative relative frequency (%) 40 20 0 40 45 50 55 60 65 70 Age at inauguration O 51; 59 48; 57 O 54; 59 O 48; 61