Outlier detection SAS

Find the outlier of the data set.

15, 20, 18, 35, 17, 35, 13

• no outlier

• 35

• 13

• 15

The middle number of an ordered set of data is called what?

• mean

• median

• mode

• outlier

A(n) ____ of a data set is much greater or much less than the other data values.

• mean

• median

• mode

• outlier

What are the correct expressions for using the IQR to determine if there is an outlier that is a lot less and a lot greater than the other values. Hint: Choose 2 expressions.

• Q1 - 1.5(IQR)

• Q3 - 1.5(IQR)

• Q1 + 1.5(IQR)

• Q3 + 1.5(IQR)

Use the interquartile range to identify any outliers in the following data.

23, 22, 25, 16, 27, 43, 29, 40, 35

• No outliers.

• 43 is an outlier.

Describe the shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL