Box-plot
(Wykres pudełkowy)
Is
Google Analytics
wrong?
Average vs median
Average vs Median
126,43 s
26,00 s
Average vs Median
Curve
What should I count?
n - number of measurements
Q1 (upper quartile) = n/4
Q2 (median) = n/2
Q3 (lower quartile) = 3n/4
IQR = Q3-Q1
SD=s = sqr (s^2)
What do we get?
n= 318
Q1 = (ni=79,5) 0s
Q2 = (ni=159) 26s
Q3= (ni=238,5) 146,5 s
IQR= 146,5 s
s=5211,2 s