In the data set below, what is the mean absolute deviation? 9 2 8 9 5 If the answer is a decimal, round it to the nearest tenth. mean absolute deviation (MAD):​

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio