The first quartile (Q1) is the 25 th percentile,the second quartile (Q2 or median) is 50 th percentile, and the third quartile (Q3) is the the 75 th percentile. The mean is the best est...The first quartile (Q1) is the 25 th percentile,the second quartile (Q2 or median) is 50 th percentile, and the third quartile (Q3) is the the 75 th percentile. The mean is the best estimate for the actual data set, but the median is the best measurement when a data set contains several outliers or extreme values. Looking at the distribution of data can reveal a lot about the relationship between the mean, the median, and the mode.
The first quartile (Q1) is the 25 th percentile,the second quartile (Q2 or median) is 50 th percentile, and the third quartile (Q3) is the the 75 th percentile. The mean is the best est...The first quartile (Q1) is the 25 th percentile,the second quartile (Q2 or median) is 50 th percentile, and the third quartile (Q3) is the the 75 th percentile. The mean is the best estimate for the actual data set, but the median is the best measurement when a data set contains several outliers or extreme values. Looking at the distribution of data can reveal a lot about the relationship between the mean, the median, and the mode.