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A perturbed black hole emits gravitational radiation, usually termed theringdown signal, whose frequency and time-constant depends on the mass and spinof the black hole. I investigate the case of a binary black hole mergerresulting from two initially non-spinning black holes of various mass ratios,in quasi-circular orbits. The observed ringdown signal will be determined,among other things, by the black hole's spin-axis orientation with respect toEarth, its sky position and polarization angle - parameters which can take anyvalues in a particular observation. I have carried out a statistical analysisof the effect of these variables, focusing on detection and measurement of themultimode ringdown signals using the reformulated European LISA mission, NextGravitational-Wave Observatory, NGO, the third generation ground-basedobservatory, Einstein Telescope and the advanced era detector, aLIGO. To theextent possible I have discussed the effect of these results on plausible eventrates, as well as astrophysical implications concerning the formation andgrowth of supermassive and intermediate mass black holes.

From black holes to their progenitors: A full population study in measuring black hole binary parameters from ringdown signals