Data Variability

Which data set shown in the graphs would have the lowest variability?

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Which of the graphs below would have the highest MAD (mean absolute deviation) score?

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Which best describes the shape of the data's distribution

• skewed right

• skewed left

• bimodal

• symmetrical

• uniform

Select ALL of the following that CAN'T be found from the graph?

• The MAD score

• The median

• The range

• The mean

• The IQR

What is the median shown by the data in the graph?

• 4

• 4.5

• 5

• 3

• 3.5

• a

• b

• c

• d

If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.

• IQR

• Median

• Mean

• Standard Deviation

What is the Intergquartile range of the box-plot with the lesser IQR?

If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.

• Mode

• MAD

• Standard Deviation

• IQR or Interquartile Range