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.
A data set shows the number of students with different blood types in a class. Which graph is most suitable? (1) Bar graph (2) Line graph (3) Scatter plot (4) Histogram
A researcher collects data on the number of bacteria colonies at different temperatures. What type of variable is temperature in this experiment? (1) Dependent variable (2) Independent variable (3) Controlled variable (4) Random variable
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?
A researcher wants to compare the average heights of plants grown under different light conditions. Which type of graph should be used? (1) Bar graph (2) Line graph (3) Scatter plot (4) Histogram
A data set shows the number of students with different blood types in a class. Which graph is most suitable? (1) Bar graph (2) Line graph (3) Scatter plot (4) Histogram
A researcher collects data on the number of bacteria colonies at different temperatures. What type of variable is temperature in this experiment? (1) Dependent variable (2) Independent variable (3) Controlled variable (4) Random variable
A researcher wants to compare the average heights of plants grown under different light conditions. Which type of graph should be used? (1) Bar graph (2) Line graph (3) Scatter plot (4) Histogram
A student plots the average heart rate of athletes before and after exercise. Which variable should be on the x-axis? (1) Heart rate (2) Athlete (3) Time (4) Condition (before/after)
Fill in the blank: The ________ of a graph should include the units of measurement for each variable.
Fill in the blank: The area under a curve in a frequency distribution graph represents the ________ of observations.
Fill in the blank: When plotting a graph, the ________ should be evenly spaced and clearly labeled.
Fill in the blank: When plotting data, the ________ should be chosen to best represent the range and distribution of the data.
True or False: A bar graph can be used to compare the means of different groups.
True or False: A histogram can be used to display discrete data.
True or False: A pie chart is suitable for showing the proportion of different species in a habitat.
True or False: A scatter plot is used to show the relationship between two quantitative variables.
