Answer:
7.20
Step-by-step explanation:
the mean is average
to find the mean add all number then divide by how many there are sooo
(4 + 7 + 13 + 3 + 9)/ 5
36/5
7.2
A data set's mean is the average of a data set. The mean of this data set is 7.2.
A data set's mean (average) is calculated by summing all of the numbers in the set and dividing by the number of values in the set.
The mean of this data set can be written as,
[tex]\rm Mean = \dfrac{4+7+13+3+9}{5} = 7.2[/tex]
Hence, the mean of this data set is 7.2.
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