A mean (also known as average) is adding up all the numbers you have and then dividing it by how many numbers you had. Tara says the mean is 6. When you add these numbers up you have 30 and there are 5 numbers. When you divide 30 by 5 you get 6, therefore Tara is correct.
We need to be able to read the story before we answer.
<span>one noun is substituted for another with which it is closely associated</span>
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