Please I need help to solve the following question. (Please show all steps)

1. Using Vernier Graphical Analysis, complete the activities below.

Given the following data set of Intensity of Electric Field vs the square of the distance from the charge to the sensor (obtained experimentally), for a charge of 1.0C (one Coulomb):

Intensity of Electric Field, E Reciprocal of the square of the distance between the (N/C) charge and the sensor, 1/r^2 (1/m^2) 3.42 x 10^12 400 8.76 x 10^11 100 4.13 x 10^11 44.4 2.37 x 10^11 25 1.32 x 10^11 16