GRAPHING NOTES

1. Give your graph a
title. The title should describe what the graph
represents and include both the manipulated and
responding variables.

2. Decide which variable is
the manipulated variable. This variable should
go along the x-axis. The
responding variable should go along the
y-axis. Both axis should be
labeled and include a
unit of measurement.

3. Decide on the
numerical scale to use for each axis and then
number each axis. (The scales do not
have to be the same for both axes.)
The scales should be
consistent for each axis and use up the
whole piece of graph paper.

HOW TO DECIDE ON A
SCALE:

A. Take the largest and
smallest number of your variable and subtract.

B. Count the number of
LINES on your graph paper.

C. Divide the # in A by the
# in B.

D. Round up to the nearest
whole number then use that number as the scale. Try to use a number with
multiples that are easy to use. EX: 1, 2, 5, or 10’s

4.
Start your scale with zero whenever possible.
// marks can be used to show a break in the scale.

5.
Plot the data as points on the graph. This is
called a scatterplot graph. Using a straight edge, draw a “best
fit line” through the points.

## Title: Distance vs. Time for Freefall
Title: Distance vs. Time
Squared for Freefall

Ř
HINT: If you
are plotting two sets of data on the same graph, they should each have their own
“best fit line” in different colors.

6. When plotting more than
one set of data on the same graph, use different
colors or different types of lines to distinguish them. You must include
a key or legend.