Stat 100 Numerical Measure & Measures of Relative Standing

may not always be sufficient for describing data

• Graphical methods

• numerical measures

• measures of center

• mean

• median

can be created for both populations and samples

• Graphical methods

• numerical measures

• measures of center

• mean

• median

a measure along the horizontal axis of the data distribution that locates the centre of the distribution

• Graphical methods

• numerical measures

• measures of center

• mean

• median

the sum of measurements divided by the total number of measurements

• Graphical methods

• numerical measures

• measures of center

• mean

• median

the middle measurement when the measurements are ranked from smallest to largest

• Graphical methods

• numerical measures

• measures of center

• mean

• median

measures of center

• mean

• median

• mode

• measures of variability

• measures of relative standing

numerical measures

• mean

• median

• measures of center

• measures of variability

• measures of relative standing

the measurement which occurs most frequently

• mode

• symmetric

• skewed right

• skewed left

• measures of variability

Mean = Median

• mode

• symmetric

• skewed right

• skewed left

• measures of variability

Mean > Median

• mode

• symmetric

• skewed right

• skewed left

• measures of variability