20 Hz to 20 kHz
It is very interesting to test that in class. You will observe large deviations already with a small set of 15-20 students :)
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20 Hz to 20 kHz
It is very interesting to test that in class. You will observe large deviations already with a small set of 15-20 students :)
Yes, each person's anatomical features will certainly make the difference. Too bad our public schools usually lack even the basic experimental equipment. We lose so much sometimes...