Answer:
Mean, median and mode are numbers that represent a whole set of data or information. Mean, median and mode are together called the measures of central tendency.
Step-by-step explanation:
Step-by-step explanation: The median is found by ordering the set from lowest to highest and finding the exact middle. The mean is found by adding all of the numbers together and dividing by the number of items in the set. Let's use this as the set: 10 + 10 + 20 + 40 + 70 / 5 = 30. So the mean is 30.
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