The average of 18, 24, and 27 is 23.
18 + 24 + 18 = 60/3 = 20 The average of the three numbers is therefore 20.
The average is 25.
The average is 18.
The average is 17.
(18+30) / 2 = 24
The average is 18.
18+12+20+24=74 74/4=18.5
17
As there is an even number of them, the median is the mean average of the middle two, namely (18+24)/2 = 21.
18'' x 24''
Moore's Law is the law that describes that on average, computers double their capacity every 18 to 24 months.