Measures of Dispersion — standard deviation and population variance Previous Year Questions | Prasnya
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Measures of Dispersion...
All questions
Q1
Consider a dataset of
50
50
items. Suppose
∑
(
x
i
−
x
ˉ
)
2
=
8
\sum (x_i-\bar{x})^2=8
and
∑
x
i
=
20
\sum x_i=20
. Find the mean
x
ˉ
\bar{x}
and population standard deviation
σ
\sigma
of the dataset.
Single correct
FEBRUARY 25, 2024
FEBRUARY 25, 2024
