Mean is synonymous with average. It is the sum of all the samples divided by the number of samples. The sum of the eight numbers is 469, and 469 divided by 8 equals 58.625.
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The median of an even number of data is the average of the two data closest to the center of the sorted list. The sorted list is 43, 47, 49, 50, 50, 52, 52, 52, 58 & 60. The two numbers closest to the center of the list are 50 and 52, the average of which is 51.
They are: 50 52 54 56 58 and 60
60% of 52= 60% * 52= 0.6 * 52= 31.2
32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58.
Add them up. 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60