a row means an observation if there are many rows.
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The parameters of the underlying distribution, plus the standard error of observation.
the mean is important in statistics because you will find out your average and can compare that mean to other things..
25 x36 = 900 13 x 32 = 416 13 x 40 = 520 ----- 936 936-900 = 36 (13th observation)
It may be an outlier, but if not, it is probably the more interesting feature of the observations.
No. One observation will normally get you onevalue, not a set of values. Also, to be precise, the observation is the act of observing; the value is the result of the observation, not the observation itself.