$```$

$\%$ data points

$\%$ values of the independent variable

$```$

$```$

$\%$ values of the dependent variable

$\%$ query value of the independent variable

x$\_$min $=$ min$($x$)$;

x$\_$max $=$ max$($x$)$;

x$\_$interp $=$ x$\_$min $+$ rand$()*($x$\_$max $-$ x$\_$min$)$;

$```$