Find the mean of the following data:

$\begin{array}{|cccccccc|}\hline \mathbf{x}:& 19& 21& 23& 25& 27& 29& 31\\ f_{:}& 13& 15& 16& 18& 16& 15& 13\\ \hline\end{array}$

$\begin{array}{|cccccc|}\hline x& 10& 15& \mathrm{p}& 25& 31\\ f& 3& 10& 25& 7& 5\\ \hline\end{array}$

If the mean of the following data is $15,$ find $\mathrm{p}$.

$\begin{array}{|cccccc|}\hline \mathrm{x}:& 5& 10& 15& 20& 25\\ \mathrm{f}:& 6& \mathrm{p}& 6& 10& 5\\ \hline\end{array}$

Find the value of $\mathrm{p}$ for the following distribution whose mean is $16.6$

$\begin{array}{|cccccccc|}\hline \mathbf{x}\mathbf{:}& 8& 12& 15& \mathrm{p}& 20& 25& 30\\ \mathbf{f}:& 12& 16& 20& 24& 16& 8& 4\\ \hline\end{array}$

Find the missing value of $p$ for the following distribution whose mean is $12.58$

$\begin{array}{|cccccccc|}\hline \mathbf{x}:& 5& 8& 10& 12& \mathrm{p}& 20& 25\\ \mathbf{f}:& 2& 5& 8& 22& 7& 4& 2\\ \hline\end{array}$

Find the missing frequency$\left(p\right)$ for the following distribution whose mean is $7.68$.

Find the value of $p,$ if the mean of the following distribution is $20$

$\begin{array}{|cccccc|}\hline \mathrm{x}:& 15& 17& 19& 20+\mathrm{p}& 23\\ \mathrm{f}:& 2& 3& 4& 5\mathrm{p}& 6\\ \hline\end{array}$

Find the median of the following data

$83,37,70,29,45,63,41,70,34,54$

Find the median of the following data:

$133,73,89,108,94,104,94,85,100,120$.