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The mean number from a set of numbers is the average.Example: (5 + 6 + 7) ÷ 3 = 6 (therefore the average of the three numbers is 6).
To find the four numbers that have a mean of 6, we need to consider that the mean is the average of all the numbers. Therefore, the sum of the four numbers should be 4 times the mean, which is 24. To have a mean of 6, the four numbers could be 5, 6, 7, and 6, as (5 + 6 + 7 + 6) / 4 = 24 / 4 = 6.
6+6
To find the three numbers with a range of 6 and a mean of 4, we need to consider the spread of the numbers around the mean. Let's call the three numbers x, y, and z. Since the range is 6, the difference between the largest and smallest numbers is 6. To maximize the range while keeping the mean at 4, we can set x = 1, z = 7, and y = 4. Therefore, the three numbers are 1, 4, and 7.
There is no single answer to that. A lot of combinations of 6 numbers could have a mean of 18.5, as any 6 numbers that add to 111 could.