5003 Praxis Practice Test Practice Question
Which of the following measures is the same for both data sets A and B?
Correct Answer: A
Rationale: The median is the middle value when data is ordered, making it less sensitive to extreme values compared to the mean. This characteristic allows it to remain consistent across different data sets, even if their distributions vary.
In contrast, the mean can differ significantly between data sets due to outliers or different value distributions. The range, which measures the difference between the highest and lowest values, can also vary greatly between data sets. The upper quartile, representing the 75th percentile, may change depending on the distribution of values in each set. Thus, the median is the only measure that remains stable across both data sets A and B.
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