You know nothing about how to use statistical analysis to verify or test validity, do u.
A representative sample is one where the statistics of the sample are the same as the statistics for the parent population.
the mean is important in statistics because you will find out your average and can compare that mean to other things..
the mean is affected by outliers
Probability/ Statistics
MDS
A representative sample is one where the statistics of the sample are the same as the statistics for the parent population.
One advantage of inferential statistics is that large predictions can be made from small data sets. However, if the sample is not representative of the population then the predictions will be incorrect.
In statistics, this is the symbol for the "Variance"
the mean is important in statistics because you will find out your average and can compare that mean to other things..
You need to specify what you mean by Roman representative.
When the sample - whether it is random or systematic - is somehow representative of the population.
What do you mean by statistics? Re-Ask the question.
descriptive statistics
They are statistics of central tendency.
no
the mean is affected by outliers
no