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Exam DA0-001 topic 1 question 58 discussion

Actual exam question from CompTIA's DA0-001
Question #: 58
Topic #: 1
[All DA0-001 Questions]

An analyst is working with the income data of suburban families in the United States. The data set has a lot of outliers, and the analyst needs to provide a measure that represents the typical income. Which of the following would BEST fulfill the analyst’s goal?

  • A. Median
  • B. Mean
  • C. Mode
  • D. Standard deviation
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Suggested Answer: A 🗳️

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ronniehaang
Highly Voted 1 year, 3 months ago
Selected Answer: A
The best measure that would fulfill the analyst's goal is the Median. The median represents the middle value of a data set when the data is sorted in ascending or descending order. It is less sensitive to outliers and provides a better representation of typical values compared to the mean, which is affected by outliers. The mode represents the most frequently occurring value in a data set, but it may not provide a good representation of typical values. The standard deviation measures the spread of a data set, but it does not provide an average value. In this case, since the data set has a lot of outliers, the median would provide a better representation of the typical income compared to the mean, which would be affected by the outliers.
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willsy
Most Recent 9 months ago
I would argue that because their are numerous outliers that would skew the data, the median is what this analyst wants the most.
upvoted 2 times
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Hiromi_Nakatani
1 year, 3 months ago
Selected Answer: A
A. Median
upvoted 4 times
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