The following table shows the number of lemons that grew on Mary’s lemon tree each season last year. Winter 3,Spring 15, Summer 21,Fall 13. The mean is 13
How to find the mean value of a data set?
The mean value of the data set is the ratio of the sum of the data set's values to the number of values it has.
If the data set consists of values
x_1, x_2, ..., x_n
, then we get the mean value as:
[tex]\overline{x} = \dfrac{x_1 + x_2 + \cdots + x_n}{n}[/tex]
The following table shows the number of lemons that grew on Mary’s lemon tree each season last year.
Winter 3,Spring 15, Summer 21,Fall 13.
The total sum of observation = 3 + 15 + 21 + 13
= 52
So, Mean = 52 / 4
= 13
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