Thomas wants to estimate the mean height of students attending his college. He records the heights of 25 randomly selected stude
1 answer:
You might be interested in
Median is the middle data in the list of the given numbers. In the given data set the median gets decreased by the presence of the outlier. Thus, option C is correct.
<h3>What is an outlier?</h3>An outlier is a data that varies significantly from the other data set, due to some error or measuring variability.
The median of the data without outlier is calculated as:
First, data is arranged in the ascending order: 105, 108, 109, 113, 118, 121, 124
Median =
= 4th term
= 113
The median of the data with outlier is calculated as:
First, data is arranged in the ascending order: 61, 105, 108, 109, 113, 118, 121, 124
Median =
= (109 + 113) ÷ 2
= 111
Therefore, the outlier decreased the median.
Learn more about median here:
#SPJ1