Which lines have a slope of 1/2?
1 answer:
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By taking the average number of eggs for both barns, we will see that the correct option is A.
<h3>How to get the average?</h3>
For a set of N elements {x₁, x₂, ..., xₙ} the mean is given by:
For barn 1, the set is {2, 5, 5, 6}
So the mean is:
M1 = (2 + 5 + 5 + 6)/4 = 4.5
For the barn 2, the set is {3, 6, 8, 9}
So the mean is:
M2 = (3 + 6 + 8 + 9)/4 = 6.5
Now, taking the quantity 100%(M2 - M1)/M1 we get:
100%*(6.5 - 4.5)/4.5 = 44%
So the average in barn 2 is around 50% larger than the average in barn 1. Then the correct option is A.
If you want to learn more about averages, you can read: