A mean can be defined as the simple mathematical average of a set of two or more numbers.
The mean of calories for the hamburgers is 274.
Mean Of Set of Numbers
The Arithmetic Mean is the average of a set of numbers or in other words, mean is the calculated "central" value of a set of numbers.
Mean = [tex]\dfrac {\rm Sum\;of\;all\;numbers } {count\;of\;numbers}[/tex]
The mean for the given calories can be calculated below.
Mean m = [tex]\dfrac { 320+280+280+250+270}{5}[/tex]
Mean m = 274
Thus the mean of calories for the humburger is 274.
To know more about the mean, follow the link given below.
https://brainly.com/question/1293309.
