You've run 200 ft of cable and lost 5 dB. What is the loss
rate of your cable per 100 ft?

2.5 dB/100 ft

Explanation:

If 5 dB was lost after 200 ft of cable and 100 ft is half of 200 ft, then the rate of loss should be 2.5 dB per 100 ft.

answer; histogram;

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