Question

Can anyone help me with #18?

Answer 1

1. Subtract
2. Square
3. Sum(add)
4. Divide
5. Square Root
6. Round

Explanation:

The standard deviation of a data set is computed using the formula:

`\sigma = \sqrt{(\sum_(i=1)^(n)(x_i - \mu)^(2))/(n)}`

where
`\sigma` is the standard deviation,
`x_i` are the individual data values,
`\mu` is the mean and
`n` is the number of observations

So we first subtract the mean from each data value

then we square the result

then we sum(add) up all these values

then divide by n

and finally find the square root

The round operation will occur after all the above calculations