Using Google Sheets to analyse and represent data for coastal GI

Sharing how I use Google Sheets to generate scatter graph, comparative line graphs and beach profile for the Coastal GI in helping the students to analyse and represent the data they have collected at ECP.

Creating Scatter graph with best-fit line

Creating a Comparative Line Graph using a Combo Chart with two Y-axis

Creating a Beach Profile graph by inserting a line chart.

Coastal GI at ECP - https://sites.google.com/a/moe.edu.sg/sec3geog/geographical-investigation/gi---coast/gi-coast-2016
The spreadsheet which I have created:
https://docs.google.com/spreadsheets/d/1a-Y2IITjjxB6W9FmZmf5KDAhHp0EJApaf-qNT95FDwM/edit?usp=sharing<