Foxythepirate0984
  • Foxythepirate0984
Here are 10 test scores: 30, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 74. Does this set have an outlier and, if so, how does removing it affect the mean? A. The set has 30 as an outlier and removing it decreases the mean by about 10. B. This data set has no outliers. C. The set has 30 as an outlier and removing it decreases the mean by about 5. D. The set has 30 as an outlier and removing it increases the mean by about 5. @autumnroseT
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
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.
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
well 30 is definitely the outlier, so its not B. the way to solve this is to add all the numbers together (without adding 30) and then dividing the answer by 9
Foxythepirate0984
  • Foxythepirate0984
A ?
anonymous
  • anonymous
this new mean would be 78.8 so no not A

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
because instead of dividing it by 10 when we were adding 30, we'll be dividing by only 9 so the answer will be greater
Foxythepirate0984
  • Foxythepirate0984
D
anonymous
  • anonymous
yes :)

Looking for something else?

Not the answer you are looking for? Search for more explanations.