Answer to Question #216594 in General Chemistry for Cece

Question

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?

• A. Categoric
• B. Continuous
• C. Ordered
• D. Discrete

Answer 1

Answer is c. Ordered

Reason : When the student measures the range of sound frequencies that can be heard by the human ear by playing sounds to the volunteers between 10 and 30 thousand Hz and asking them to raise their hands if they are able to hear it; This requires a continuous response from the subjects of the experiment to answer whether or not they are able to hear the sound. Therefore, batons can be classified under the category of ordinal order.