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Mathematics
Problem
Which of the following best describes the range of a data set? a)
∑
(
x
i
−
x
ˉ
)
2
n
\displaystyle \frac{\sum (x_i-\bar x)^2}{n}
n
∑
(
x
i
−
x
ˉ
)
2
b)
highest value
+
lowest value
2
\dfrac{\text{highest value} + \text{lowest value}}{2}
2
highest value
+
lowest value
c)
highest value
−
lowest value
\text{highest value} - \text{lowest value}
highest value
−
lowest value
d) mean of all the observations
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