How do outliers affect statistical analysis?
Select one answer option below.
A. They can improve accuracy of predictions.
B. They can infer causation from correlation.
C. They can reduce the variability of the data.
D. They can skew the results of central tendency measures.
Answer (1)
Outliers are data points that can skew statistical analysis, particularly affecting measures of central tendency like the mean. Their presence may lead to misleading representations of data, and even affect the reliability of various statistical tests. Understanding how outliers impact data is essential for accurate statistical interpretation. ;
