No, it is showing that my right ear is better. The lower the curve, the better the hearing because it is taking less volume to hear the sound. The dots means "normal hearing".
It is showing that the SM3 has a upper mids attenuation, good bass and some roll off in the high frequencies. The CX300 has a bass hump.
Here is one for my Sony MDR-V6 which is bass heavy for me but less high frequency roll off.