Problemsr Ch$-1-$Activity

In an experiment we are measuring the gravitational acceleration $(\frac{m}{s^2})$ in $2$different ways. The following table contains the data for two trials, A and B$.$

TrialA :

$\backslash$table$[[N,x_i,|(x_i-(\stackrel{}{x}))|,|x_i-(\stackrel{}{x}){|}^2$