anonymous
  • anonymous
Here are 10 test scores: 30, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these numbers are 74. Does this set have an outlier and, if so, how does removing it affect the mean? A. The set has 30 as an out outlier, and removing it increases by about 5. B. The data 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 decreases the mean by about 10.
Mathematics
schrodinger
  • schrodinger
See more answers at brainly.com
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.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your free account and access expert answers to this
and thousands of other questions

anonymous
  • anonymous
jane11509
  • jane11509
I'm not sure :/

Looking for something else?

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

More answers

AriPotta
  • AriPotta
30 is the outlier. what's the mean after you remove it?
anonymous
  • anonymous
@AriPotta i'm not sure
jane11509
  • jane11509
I will help you
jane11509
  • jane11509
I think the mean would be 78.8
AriPotta
  • AriPotta
giving her the answer isn't helping her
jane11509
  • jane11509
Sorry The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count. this is how you find the mean
AriPotta
  • AriPotta
\[\frac{ 74+ 76+77+ 78+79+80+80+82+84 }{ 9 }=mean\]
anonymous
  • anonymous
Ok thank you @jane11509
jane11509
  • jane11509
You're welcome :)
jane11509
  • jane11509
Basically add all the numbers together and there are 9 minbers so divide the sum by 9 and BAM you have it :)
anonymous
  • anonymous
Thank you too @AriPotta
AriPotta
  • AriPotta
no problemo

Looking for something else?

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