Just to make sure we’re clear on the notation, the following table lists the 5 observations in the afl.margins variable, along with the mathematical symbol used to refer to it, and the actual value th...Just to make sure we’re clear on the notation, the following table lists the 5 observations in the afl.margins variable, along with the mathematical symbol used to refer to it, and the actual value that the observation corresponds to: The mean is basically the “centre of gravity” of the data set: if you imagine that the histogram of the data is a solid object, then the point on which you could balance it (as if on a see-saw) is the mean.
The mean is basically the “centre of gravity” of the data set: if you imagine that the histogram of the data is a solid object, then the point on which you could balance it (as if on a see-saw) is the...The mean is basically the “centre of gravity” of the data set: if you imagine that the histogram of the data is a solid object, then the point on which you could balance it (as if on a see-saw) is the mean. So, for instance, a 10% trimmed mean discards the largest 10% of the observations and the smallest 10% of the observations and then takes the mean of the remaining 80% of the observations.