
Using the Action Menu
ustdDev
Function: Returns the sample standard deviation of the elements in a list.
Syntax: stdDev (List [ ) ]
Example: To determine the sample standard deviation of the elements in the list {1, 2, 4}
Menu Item: 
uvariance
Function: Returns the sample variance of the elements in a list.
Syntax: variance (List [ ) ]
Example: To determine the sample variance of the elements in the list {1, 2, 4}
Menu Item: 
uQ1
Function: Returns the first quartile of the elements in a list.
Syntax: Q1 
• 
Example: To determine the first quartile of the elements in the list {1, 2, 3, 4, 5}
Menu Item: 
Example: To determine the first quartile of the elements in the list {1, 2, 3, 4}, whose respective frequencies are {4, 3, 2, 1}
Menu Item: 
uQ3
Function: Returns the third quartile of the elements in a list.
Syntax: Q3 
• 
Example: To determine the third quartile of the elements in the list {1, 2, 3, 4, 5}
Menu Item: 
Example: To determine the third quartile of the elements in the list {1, 2, 3, 4}, whose respective frequencies are {4, 3, 2, 1}
Menu Item: 
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