#1. Find the mean of the sample.
\(1, 5, 6, 13, 14\)

#2. Find the median of the sample.
\(4, 5, 7, 9, 11, 14, 19\)

#3. Find the mode of the sample.
\(7, 10, 7, 3\)

#4. Find the range of the sample.
\(2, 6, 3, 10, 4, 3, 5\)

#5. Find the lower quartile of the sample.
\(2, 7, 8\)

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

#7. Find the upper quartile of the sample.
\(7, 9, 7, 9\)

#8. Find the upper quartile of the sample.
\(6, 4, 3, 6, 2, 1, 8\)

#9. Find the inner quartile range (IQR) of the sample.
\(-3, -4, -10, -1, -8, -1, 10, -3, 9, -6\)

#10. Find the inner quartile range (IQR) of the sample.
\(10, 1, 9, -3, -9\)

#11. Find the mean absolute deviation (MAD) of the sample.
\(0, -1\)

#12. Find the mean absolute deviation (MAD) of the sample.
\(2, 1, 6, 6, 10, 9\)

#13. Find the mean absolute deviation (MAD) of the sample.
\(-8, -6, -4, 0, 2, 6\)

#14. Find the mean absolute deviation (MAD) of the sample.
\(7, 8, -8, 10, 8, 2, -9, 3, 6\)