3261.91

The mean of a set of numbers is the sum divided by the number of terms.

x‾=3261.911

Divide 3261.91 by 1.

x‾=3261.91

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

x‾=3261.91

x‾=3261.91

Convert 3261.91 to a decimal value.

3261.91

Set up the formula for sample standard deviation. The standard deviation of a set of values is a measure of the spread of its values.

s=∑i=1n(xi-xavg)2n-1

Set up the formula for standard deviation for this set of numbers.

s=(3261.91-3261.91)21-1

Subtract 1 from 1.

s=(3261.91-3261.91)20

The expression contains a division by 0 The expression is undefined.

s=Undefined

Undefined

The standard deviation should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

Undefined

Find the Standard Deviation 3261.91