#1. Find the mean of the sample.
\(-5, -12\)

#2. Find the mean of the sample.
\(\frac{2}{3}, \frac{5}{4}\)

#3. Find the mean of the sample.
\(\frac{2}{5}, \frac{1}{2}, 4\)

#4. Find the mean of the sample.
\(10, -18, 20, -6, 9\)

#5. Find the median of the sample.
\(\frac{5}{2}, \frac{1}{4}\)

#6. Find the median of the sample.
\(\frac{2}{3}, \frac{1}{2}, -3\)

#7. Find the median of the sample.
\(15, 9, 7, 17, 19, 17, 7, 8\)

#8. Find the median of the sample.
\(\frac{-4}{5}, \frac{-1}{5}, \frac{5}{4}\)

#9. Find the mode of the sample.
\(6, 0, 5, -8, -7, 9\)

#10. Find the mode of the sample.
\(4, 9, 1, 6, 9\)

#11. Find the mode of the sample.
\(6, 8, 9, 9\)

#12. Find the mode of the sample.
\(1, 3, 4, 7, 7, 8, 8, 9\)

#13. Find the range of the sample.
\(10, -1, 8, -9, -8, 7, 1, -8\)

#14. Find the range of the sample.
\(-3, -1, \frac{-1}{4}, 0, \frac{1}{2}, 1, 3\)

#15. Find the range of the sample.
\(-1, \frac{4}{3}, -3\)

#16. Find the range of the sample.
\(\frac{-4}{3}, -1, 2, \frac{-1}{2}, -2, -2, -1\)