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Basic Math Examples
,
Step 1
Rewrite the division as a fraction.
Step 2
Step 2.1
Factor out of .
Step 2.2
Cancel the common factors.
Step 2.2.1
Factor out of .
Step 2.2.2
Cancel the common factor.
Step 2.2.3
Rewrite the expression.
Step 3
The mean of a set of numbers is the sum divided by the number of terms.
Step 4
Add and .
Step 5
Multiply the numerator by the reciprocal of the denominator.
Step 6
Step 6.1
Multiply by .
Step 6.2
Multiply by .
Step 7
Divide.
Step 8
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.