Calculate the Values of These Numerical Summaries for the Walking

Calculate the values of these numerical summaries for the walking task without the
device: a) The mean
_____________
b) The standard deviation
_____________
c) The median
_______________

d) The interquartile range
____________________ $$\begin{array} { | c | c | c | c | c | c | c | c | c | c | c | c | c | c | c | } \hline \begin{array} { c } \text { Floor } \\\text { ND }\end{array} & 4.5 & 5.0 & 4.9 & 3.7 & 8.2 & 6.4 & 10.0 & 6.5 & 4.6 & 4.4 & 4.2 & 7.1 & 5.6 \\\hline \begin{array} { c } \text { Floor } \\\text { D }\end{array} & 4.3 & 4.7 & 5.5 & 3.9 & 7.8 & 6.5 & 7.3 & 6.5 & 4.3 & 4.0 & 4.3 & 5.9 & 6.0 \\\hline\end{array}$$