Approximated marginal distribution of the EWMA statistic with λI = 0.6 obtained from 50000 sets of k = 50 normal samples of size n = 5 at each monitoring moment t.

Table 1: Approximated marginal distribution of the EWMA statistic with λ_I = 0.6 obtained from 50000 sets of k = 50 normal samples of size n = 5 at each monitoring moment t.

Sample	Quartiles			Mean	Standard Deviation
Sample	Q_0.25	Q_0.50	Q_0.75
1	-0.24439	-0.05764	0.13004	-0.05775	0.27729
2	-0.25912	-0.05704	0.14350	-0.05736	0.29828
3	-0.26074	-0.05856	0.14559	-0.05728	0.30035
4	-0.26113	-0.05771	0.14667	-0.05747	0.30091
5	-0.26018	-0.05694	0.14625	-0.05669	0.29981
6	-0.25975	-0.05741	0.14547	-0.05705	0.30027

50	-0.26050	-0.05731	0.14637	-0.05788	0.30056