Table 6 ARLs(SDRLs) of TEWMA Control Chart with Linearly increasing variance at different values of C.

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

Δ

Sigm = 0.0

C = 0

C = 1

C = 2

C = 3

0.0

499.71 (458.78)

505.27 (464.10)

500.19 (465.09)

501.91 (461.83)

506.36 (468.83)

0.05

213.21 (173.96)

454.64 (412.58)

451.14 (405.88)

439.63 (400.86)

454.47 (409.12)

0.1

93.78 (56.62)

333.43 (296.12)

341.77 (300.13)

351.71 (311.02)

350.06 (311.38)

0.25

39.37 (8.78)

133.74 (95.23)

139.36 (100.29)

146.24 (107.59)

154.72 (115.30)

0.5

26.29 (2.84)

59.97 (25.20)

62.68 (27.20)

65.28 (29.78)

67.91 (31.63)

0.75

21.53 (1.61)

42.15 (10.49)

43.63 (11.74)

45.15 (12.93)

46.46 (13.97)

1

18.85 (1.11)

34.89 (6.34)

35.90 (6.70)

36.85 (7.26)

37.73 (7.80)

1.5

15.77 (0.70

27.72 (3.26)

28.40 (3.50)

29.02 (3.73)

29.62 (3.93)

2

13.96 (0.51)

23.94 (2.17)

24.48 (2.31)

24.98 (2.47)

25.42 (2.52)

3

11.88 (0.34)

19.75 (1.25)

20.14 (1.32)

20.50 (1.40)

20.90 (1.47)