Asked by Vania Walangare on May 04, 2024
Verified
In the ice skating competition in the Winter Olympics, each skater's score is the average of the different judges' ratings. However, before this average is calculated, the lowest and the highest ratings among the judges are discarded. Which of the following is a reason why these scores are discarded?
A) to eliminate the effect of outliers
B) to change the mode of the distribution
C) to increase the variability of judges' ratings
D) to make the distribution more flat
Outliers
Data points that differ significantly from the majority of a data set, often indicating a variance or error in measurement.
Variability
The tendency of data points in a dataset to vary from each other and from the mean of the dataset.
Mode
The value that appears most frequently in a data set, representing the highest peak in a frequency distribution.
- Comprehend the impact of outliers on statistical metrics.
- Understand the rationale behind discarding outliers in certain analytical methods.
Verified Answer
DH
Debbi HinderliterMay 06, 2024
Final Answer :
A
Explanation :
Discarding the lowest and highest ratings helps to eliminate the effect of outliers, which can skew the average and provide an inaccurate representation of the skater's performance. This way, the score is based on the judges' more consistent ratings.
Learning Objectives
- Comprehend the impact of outliers on statistical metrics.
- Understand the rationale behind discarding outliers in certain analytical methods.
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