mg The serum cholesterol levels (in dL -) of 20 individuals are 235, 254, 232, 206, 196, 252, 198, 191, 218, 208, 213, 189, 257, 240, 201, 259, 230, 244, 215, 225 Send data to calculator Send data to Excel Find 30"and 75 percentiles for these cholesterol levels. (If necessary, consult a list of formulas.) mg (a) The 30th percentile: dL (b) The 75 mg percentile: dL X 5