Graphing and Representation of Data
Biology ⇒ Scientific Inquiry and Experimental Design in Biology
Graphing and Representation of Data starts at 7 and continues till grade 12.
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See sample questions for grade 12
A researcher plots the number of leaves on a plant against the amount of fertilizer used. If the points form a straight line, what does this indicate about the relationship?
Describe how to determine if a relationship between two variables is linear or non-linear from a graph.
Describe one advantage and one limitation of using a line graph to represent biological data.
Describe the difference between a bar graph and a histogram.
Explain why it is important to avoid using 3D effects in simple bar or line graphs.
Explain why it is important to choose an appropriate scale for the axes when graphing data.
Explain why it is important to include error bars in a graph representing experimental data.
Explain why outliers should be identified when graphing biological data.
What does a correlation coefficient (r) close to 1 indicate in a scatter plot?
What does the slope of a line represent in a graph showing the rate of enzyme activity versus substrate concentration?
What information does the y-intercept provide in a graph of enzyme activity versus substrate concentration?
What is the main difference between a scatter plot and a line graph?
What is the main purpose of using a scatter plot in biological research?
What is the purpose of a legend in a graph?
