The total blood cholesterol level was measured for each of 21adults. Here are the 21 measurements (in mg/dL). 129, 144, 159, 162, 163, 168, 183, 184, 184, 185, 186, 195, 196, 197, 198, 207, 209, 221, 222, 234, 246.(a) Which measures of central tendency do not exist for this data set? Choose all that apply.
