Listed are 29 ages for Academy Award winning best actors in order from smallest to largest.
18; 21; 22; 25; 26; 27; 29; 30; 31; 33; 36; 37; 41; 42; 47; 52; 55; 57;
58; 62; 64; 67; 69; 71; 72; 73; 74; 76; 77 * *
Calculate the 20th percentile and the 55th percentile.
