Question

What is the average of all of the integers from 17 to 55? enter a numerical value only?

Answer 1

The average of a set of data is the sum of all values of that data divided by the number of values. 

Between 17-55, there are: 

(55 - 17) + 1 = 38 + 1 = 39 data points 

The sum of all integers in this range is the sum of the first and last, multiplied by the number of data points (39) and divided by 2: 

So we have: 

(55 + 17) * 39 / 2 

Then that gets divided by 39 since there are 39 data points, so: 

((55 + 17) * 39 / 2) / 39 

The 39's cancel out leaving: 

(55 + 17) / 2 

And now we simplify what's left: 

72 / 2 
36

Answer 2

Step-by-step explanation:

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