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All organisms vary, even within a species and a habitat. A seedling growing in the shade will be likely to be taller than one in full sunshine. Animals in the same litter may have different masses depending on their genes and their food. An average quantity gives us a quick picture of what we are measuring. For instance, red foxes vary enormously in mass, from 2.2 to 14 kg, so looking at the individual mass of one fox tells us little. The average mass can be compared to other species, or averages within an area allow us to compare them from place to place. Foxes in Maryland average only 4.3 kg whereas in Scotland the average mass is 7.3 kg.
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Why do we calculate averages?
That's because averages give us some idea about general tendencies.
How do you calculate an average with fractions?
The same way you calculate averages with whole numbers: Add up all the fractions and divide by the number of fractions there are.
What are some example averages from everyday life?
averages in tests, bills, income, amount of time
Which methods could you use to calculate the y-coordinate of the midpoint of a vertical line segment with endpoints (00) and (015)?
The coordinates of the midpoint are the averages of the coordinates of the end points. So (0, 7.5).
Which methods could you use to calculate the y-coordinate of the midpoint of a vertical line segment with endpoints at (00)and (015)?
The coordinates of the midpoint are the averages of the coordinates of the end points. So (0, 7.5).
