Graphing Relationships and Variables

Which of the following is NOT listed as a main type of graph used by scientists to display data?

• Pie/circle graphs

• Bar graphs

• Line graphs

• Scatter plots

On a graph, where are the independent and dependent variables typically placed?

• Independent on Y-axis, Dependent on X-axis

• Both on the X-axis

• Independent on X-axis, Dependent on Y-axis

• Both on the Y-axis

When constructing a graph, what is an important consideration for setting the scales for each variable?

• Scales should always climb in multiples of 10.

• The scales should take up a conservative amount of space and include all data points.

• Numbers should be placed between the lines on the graph.

• The scale of numbers must always be the same for both axes.

What type of relationship is described when one variable increases and the other decreases?

• Direct

• Constant

• Inverse

• Cyclic

What is the recommended format for writing a graph title?

• "The effect of Y on X"

• "The effect of X on Y"

• "X vs. Y"

• "Data Analysis"

What are four types of relationships shown in graphs?

• inverse

• direct

• constant

• cyclical

Why is temperature on the X axis?

• It is the manipulated variable (Independent variable), which means the experimenter has control over it.

• It is the responding variable (dependent variable), which means the experimenter does not control the results.

What is the responding variable?

• temperature

• enzyme activity

When is a line graph used?

• to show discrete data

• to show continuous data

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