(103, 108, 117, 120)
The mean is 112
There is no mode.
The median is 112.5
(The mode is the number that is repeated most often in a list, but in this case they all appear only once.)
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The mean average is (92 + 78 + 108) ÷ 3 = 922/3 The median average of {92, 78, 108} is the middle number of {78, 92, 108}, ie 92. There is no mode average as each number appears once.
To put these in numerical order (for statistical purposes like the median) you would arrange it as: 103, Then you can manipulate it. For example, the median (middle number) is 102.5 (in this case both 102 and 103 are middle numbers so take the average of the two).
There are an even number of numbers so you have to take the middle two and get the average of them. The middle 2 numbers are 108 and 110. Add them together and divide by 2 and you get 109.
95.37%
The prime numbers between 82 and 108 are 103 and 107.