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Descriptive Statistics
Measures of dispersion
Range
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Cards (6)
how to calculate the range?
Subtract
the
lowest
value from the highest
Higher the range......?
the more
SPREAD
the data is
pro
of
range
?
quick
+
easy
to calculate
brief -ives of range?
doesnt show how data is
spread
around mean
distortion
negative of range?
Does not show whether the data is
clustered
or
spread evenly around
the mean
negative of range?
Can be
distorted
by
extrem
values
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