Mean is the average value of the entire set of numbers:

(330 + 266 + 229 + 283 + 583 + 547 + 601 + 112)/8 = 368.875

The mean is 368.875.

Median is the middle value between the largest and smallest in a set of numbers:

The largest is 601.

The smallest is 112.

112,229,266,283,330,547,583,601

(283 + 330)/2 = 306.5

The median is 306.5.

Mode is the number which appears most often in a set of numbers:

All the number appear only once: 330, 266, 229, 283, 583, 547, 601, 112