Those choices depend on the data.
Which you haven't thought to include with your question, so there's
no way for me to help you decide on the best presentation scale.
A title.
It depends on the domain and codomain (range) of he data.
When the domain or range of the data are clearly far from the origin, or where the data consist of two separate clusters.
Different types of graphs are appropriate for different types of data.
what incrament would ba a apppropriate to make a graph of the data
The time and the temperature
When determining the appropriate name for a graph, consider the data being represented and choose a title that accurately describes the information displayed in the graph.
The time and the temperature
Hourly temperature
A concrete graph is a graph that records, organizes, and displays data using objects on a mat with appropriate labels.
There is no predetermined scale. You choose the scale so as to best represent the data.
scale