Indicator variables are useful under which of the following conditions: a. Some observations have a particular characteristic or...

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Indicator variables are useful under which of the followingconditions:
a.
Some observations have a particular characteristic or attributewhile others do not
b.
An individual may not wish to disclose the exact value (forexample, age) and may prefer to express a category in which he/shefalls (for example, age range)
c.
End users may wish to know whether differences exist betweenbinary (for example, employed vs. unemployed) or categorical (firstyear employees, 2-4 year employees, 4-7 year employees, more than 7year employees) groups
d.
B and C only.
e.
All of the above.

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Typically pointer variable uses for qualitative information for ex the variable sex work status utilized or non utilized ie the variable is nominal for ex in the event that present in See Answer

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Indicator variables are useful under which of the following conditions: a. Some observations have a particular characteristic or...

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a.	Some observations have a particular characteristic or attributewhile others do not
b.	An individual may not wish to disclose the exact value (forexample, age) and may prefer to express a category in which he/shefalls (for example, age range)
c.	End users may wish to know whether differences exist betweenbinary (for example, employed vs. unemployed) or categorical (firstyear employees, 2-4 year employees, 4-7 year employees, more than 7year employees) groups
d.	B and C only.
e.	All of the above.