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Mathematics
Problem
Suppose a data set
{
x
i
}
\{x_i\}
{
x
i
}
has mean
μ
\mu
μ
and standard deviation
σ
\sigma
σ
. Write down the mean and standard deviation for the data set: a. a
{
a
x
i
}
\{ax_i\}
{
a
x
i
}
b. b
{
x
i
+
k
}
\{x_i + k\}
{
x
i
+
k
}
c. c
{
a
x
i
+
k
}
\{ax_i + k\}
{
a
x
i
+
k
}
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