The Third Quartile Is Equal To. The second quartile c. Generally the data is arranged from smallest to largest.
Another way of thinking of the quartiles is in terms of percentiles. Find the first and third quartiles of the data set 3 7 8 5 12 14 21 13 18. The third quartile d.
The first quartile the second quartile c.
How does this quartile calculator work. The third quartile called upper quartile QU is equal to the 75th percentile of the data. If you scored the 90th percentile on the SAT 90 of people scored that score or less. This quartile calculator uses McCabes formula that does not take account of the median of the data set when computing the 1 st and the 3 rd quartiles.
