Problem No. 7 Answer the following problems on Measures of the location of the data, a. Listed are 29 ages for the Academy Award winning best actors in order from smallest to largest: 18; 21; 22; 25;...

please help me answer letter (b) and (c) only, I already have answer to (a)

Extracted text: Problem No. 7 Answer the following problems on Measures of the location of the data, a. Listed are 29 ages for the 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, a.1 Find the 40th percentile a.2 Find the 78th percentile a.3 Find the first quartile a.4 Find the second quartile (median) a.5 Find the third quartile a.6 Solve for the Interquartile range (IQR) b. Jovita was ranked 37th in his graduating class of 180 students. At what percentile is Jovita's ranking? c. On an exam, would it be more desirable to earn a grade with a high or low percentile? Explain.