Table 5 ARLs(SDRLs) of TEWMA Control Chart with Linearly increasing variance at different values of D.

From: Triple exponentially weighted moving average control chart with measurement error

Δ

Sigm = 0.0

D = 1

D = 2

D = 3

D = 5

0.0

499.71 (458.78)

505.27 (464.10)

499.15 (459.54)

505.22 (459.80)

500.42 (464.90)

0.05

213.21 (173.96)

454.64 (412.58)

468.46 (429.89)

482.66 (441.59)

484.33(437.74)

0.1

93.78 (56.62)

333.43 (296.12)

398.10 (357.93)

439.18(401.38)

452.82(415.53)

0.25

39.37 (8.78)

133.74 (95.23)

195.64 (157.91)

237.67 (199.85)

297.42(215.85)

0.5

26.29 (2.84)

59.97 (25.20)

84.52 (47.00)

107.18 (68.44)

144.54(107.13)

0.75

21.53 (1.61)

42.15 (10.49)

55.57 (21.08)

67.49 (31.53)

88.56 (51.22)

1

18.85 (1.11)

34.89 (6.34)

43.47 (11.44)

51.00 (17.33)

64.39 (28.75)

1.5

15.77 (0.70

27.72 (3.26)

33.32 (5.59)

37.64 (7.75)

44.53 (12.06)

2

13.96 (0.51)

23.94 (2.17)

28.22 (3.44)

31.50 (4.61)

36.50 (7.03)

3

11.88 (0.34)

19.75 (1.25)

22.96 (1.94)

25.35 (2.53)

28.77 (3.68)