Here are 10 test scores: 50, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 76. How does removing the outlier 50 affect the mean? A. The set has 50 as an outlier and removing it decreases the mean by about 2. B. The set has 50 as an outlier and removing it increases the mean by about 3. C. The set has 50 as an outlier and removing it decreases the mean by about 6. @youngstudier

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Here are 10 test scores: 50, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 76. How does removing the outlier 50 affect the mean? A. The set has 50 as an outlier and removing it decreases the mean by about 2. B. The set has 50 as an outlier and removing it increases the mean by about 3. C. The set has 50 as an outlier and removing it decreases the mean by about 6. @youngstudier

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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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B.
well its a simply task to find the mean of the scores without the outlier of 50... New mean = sum of the score/9 and then compare it
@Foxythepirate0984 , what do you think?

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All you have to do is add 74, 76, 77, 78, 79, 80, 80, 82, 84 together then divide by how many numbers so 9 then you get you mean and can answer your question :)

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