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.
Stacey Warren - Expert brainly.com
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30 is the outlier. what's the mean after you remove it?
@AriPotta i'm not sure
I will help you
I think the mean would be 78.8
giving her the answer isn't helping her
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