Question $2$

$[16$ marks$]$

The table below shows data on speeds and corresponding densities on the section of a multilane freeway. Determine fully the space mean speed and the time mean speed for the data.

$\backslash$table$[[$Speed $(k\frac{m}{h}),115,100,85,60,45],[$Density $(ve\frac{h}{k}m),50,70,90,110,130]]$