REVIEW 2024 /25 WITH PERFECT
SOLUTIONS
Responding Variable - Correct Answer - the variable that can be measured or observed. the results
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr
Quantitative - Correct Answer - observations that can me measured ( uses numbers)
kr kr kr kr kr kr kr kr kr kr kr kr kr
Qualitative - Correct Answer - observations that are based on qualities (no numbers)
kr kr kr kr kr kr kr kr kr kr kr kr kr
Independent variable - Correct Answer - The variable being tested; the variable that "I" am changing
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr
in the experiment
kr kr kr
Dependent variable - Correct Answer - The responding variable; in an experiment, it is usually what
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr
you are measuring.
kr kr kr
Controlled variable - Correct Answer - The sample where everything is kept the exact same
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr
throughout the experiment; used to compare the experimental data to to determine the change or
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr
effect the tested variable had.
kr kr kr kr kr
IMPORTANT: a CONTROL and CONTROL VARIABLE are not the same. kr kr kr kr kr kr kr kr kr
Control group - Correct Answer - Is an experiment where the independent variable is not present. It is
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used to provide evidence that the independent variable is causing the observed effect.
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For example, if testing how effective a new drug is at treating an illness, then the control group would
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not be given the drug.
kr kr kr kr kr
Experimental group - Correct Answer - An experimental group is the group in an experiment that
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receives the variable being tested. One variable is tested at a time. The experimental group is
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compared to a control group, which does not receive the test variable.
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Trend line - Correct Answer - A line indicating the general course or tendency of something, e.g., a
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geographical feature or a set of points on a graph.
kr kr kr kr kr kr kr kr kr kr
Qualitative data - Correct Answer - Information about qualities; information that can't actually be
kr kr kr kr kr kr kr kr kr kr kr kr kr kr
measured. Some examples of qualitative data are; color of your eyes, light/smoke was produced, etc.
kr kr kr kr kr kr kr kr kr kr kr kr kr kr kr