Be honest. Data comes first, interpretation is second. Prejudice/bias shell be avoided.

Caption for how to draw a graph?

Sharp pencil. Neat and clean - not defined

Elements of a graph: origin, axis, label, legend, caption, points, curve

Identify the variables. Independent variable on the x-axis.

Variable range xmin, xmax, ymin, ymax

Choice of scale. It should be easy to read coordinates of a point on the graph. The graph shall span 3/4 of the graph paper. Range, number of points and scales. A few exercises/examples.

The variables shall be marked NAME(unit). Labeling of axis (x.yz upto correct number of significant figures)

Measurement point shall be indicated with circle or cross

Curve fitting with hand. Smooth. Half point on one side and remaining on the other side.