Statistics Examples

, , , , ,
Step 1
The mean of a set of numbers is the sum divided by the number of terms.
Step 2
Simplify the numerator.
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Add and .
Add and .
Add and .
Add and .
Add and .
Step 3
Cancel the common factor of and .
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Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
Step 4
Divide.
Step 5
Arrange the terms in ascending order.
Step 6
The median is the middle term in the arranged data set. In the case of an even number of terms, the median is the average of the two middle terms.
Step 7
Remove parentheses.
Step 8
Add and .
Step 9
Convert the median to decimal.
Step 10
Since the mean is equal to the median, the data set is symmetric.
Symmetric
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