The only way to minimize random error is to repeat the experiment more times to get a better average. This means your result is accurate but not percise
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Random errors can be parallax and from changes in the environment.
Standard error is random error, represented by a standard deviation. Sampling error is systematic error, represented by a bias in the mean.
Sampling error leads to random error. Sampling bias leads to systematic error.
You can overcome or reduce the problem of random error and systematic error while doing an experiment by increasing the sample size, which means averaging over a huge number of observations.
includes both positive and negative terms.