lacking special distinction, rank, or status; commonly encountered | conforming with or constituting a norm or standard or level or type or social norm; not abnormal |
around the middle of a scale of evaluation | in accordance with scientific laws |
lacking exceptional quality or ability | being approximately average or within certain limits in e.g. intelligence and development |
relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values) | forming a right angle |
approximating the statistical norm or average or expected value | |
relating to or constituting the most frequent value in a distribution | |