First Quartile Formula. 3 5 7 8. What it basically means is that in a data set with N data points.
The interquartile range IQR is the range in values from the first quartile Q 1 to the third quartile Q 3. Therefore the lower half of the data is. Thus 50 of the data lies below this point.
Quartile 2 Q2 10112 105.
First QuartileQ 1 n 1 4 t h T e r m also known as the lower quartile. After youve selected the data set youll see it entered into your formula. Use the QUARTILE function to get the quartile for a given set of data. You can drag your cursor to select the entire range or you can select the first cell then press CTRL SHIFT Down arrow.
