Chemistry, 10.09.2021 01:00, tania911

A student measures the range of sound frequencies that the human ear can hear by playing sounds for volunteers between 10 and 30,000 Hertz and asking them to raise their hand if they were able to hear it. What type of variable is the independent variable
in this experiment?

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A student measures the range of sound frequencies that the human ear can hear by playing sounds for...