The size of symbols indicates the approximate error associated with individual readings.
There was a trivial error associated with the final 1/15 unit fraction series.
The variances of the "errors" associated with the 10 different subjects are not assumed to be equal.
There is a margin of error associated with the percent availability for wireless technologies and speeds.
However there is usually a significant non-zero error associated with the model, which is an approximation to the true motion of the sky.
There are some errors associated with the sine top/sine bottom method.
The least count error is the error associated with the resolution of the instrument.
It is particularly effective in finding errors associated with faulty logic within computer software systems.
The two digits enclosed by parentheses are the estimated standard error associated with the reported numerical value.
Also errors associated with atmospheric delay and satellite ephemeris have been significantly reduced.