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B: The Audiometer 14. Record your hearing thresholds: Report Table VH. 1: Hearing Thresholds Frequency (Hz) Threshold (dB) Right Ear Left Ear 500 4 0d B 40 d B 1000 2 5 dB 2 5dB 2000 20 dB 10 dB Total 8 5 d B 75 dB 15. Calculate your hearing impairment for each ear using Example VH.1 as a guide. Show your work. Right ear 8 5 +B = 28- 33 3 - 2 5.00 3 3 3 X 1 . 5 = 5%% Left ear 75dB = 25 3 2 5 . O X 1 . 5 = 0 / 0 6. a.) What does it mean if your hearing impairment is a negative number? AND b) How is it possible for your hearing impairment to be a negative number using the method of calculation above