Calculate First Quartile Formula. The upper quartile Q 3. After youve selected the data set youll see it entered into your formula.
Lower Quartile Q1 N1 1 4. This function has been replaced with one or more new functions that may provide improved accuracy. The upper quartile Q 3.
3 5 7 8 12 13 14 18 21.
The lower quartile Q 1 is the median of the lower half of the data. The Quartile Formula for Q2. This is the second quartile Q 2. Splits off the lowest 25 of data from the highest 75 The second middle quartile or median of a data set is equal to the 50th percentile of the data cuts data in half.
