How might an extreme value in the sample data set affect the value of the mean
A)an extreme value cannot affect the mean if it is close to the mean
B)all values are treated equally when determining the mean, so an extreme value cannot affect it
C)since all values are summed, any extreme value can influence the mean to a large extent
D)one extreme value is still only one value, so it cannot affect the mean very much

Question

Quizplus · Accepted Answer

Since the mean is calculated by summing all values and dividing by the number of values, an extreme value can significantly shift the mean, making it less representative of the majority of the data.

How Might an Extreme Value in the Sample Data Set