Research Article

Parameter Estimation and Joint Confidence Regions for the Parameters of the Generalized Lindley Distribution

Table 2

Average relative estimates and MSEs of .

Methods

MOM1.0778 (0.0551)1.0795 (0.0524)1.0760 (0.0483)1.0794 (0.0495)1.0699 (0.0454)
MLE1.0596 (0.0381)1.0516 (0.0357)1.0449 (0.0315)1.0529 (0.0335)1.0460 (0.0315)
IME1.0356 (0.0343)1.0276 (0.0323)1.0218 (0.0286)1.0302 (0.0308)1.0233 (0.0288)
MIME1.0024 (0.0314)0.9957 (0.0299)0.9909 (0.0269)0.9997 (0.0285)0.9934 (0.0270)

MOM1.0507 (0.0395)1.0721 (0.0413)1.0561 (0.0380)1.0580 (0.0358)1.0522 (0.0290)
MLE1.0294 (0.0234)1.0345 (0.0209)1.0447 (0.0256)1.0317 (0.0228)1.0315 (0.0195)
IME1.0122 (0.0221)1.0174 (0.0195)1.0273 (0.0238)1.0152 (0.0214)1.0154 (0.0184)
MIME0.9880 (0.0213)0.9939 (0.0185)1.0042 (0.0222)0.9928 (0.0205)0.9934 (0.0176)

MOM1.0546 (0.0319)1.0427 (0.0288)1.0400 (0.0266)1.0412 (0.0249)1.0424 (0.0254)
MLE1.0338 (0.0202)1.0307 (0.0198)1.0195 (0.0169)1.0292 (0.0179)1.0327 (0.0162)
IME1.0197 (0.0190)1.0165 (0.0187)1.0061 (0.0160)1.0161 (0.0169)1.0193 (0.0154)
MIME1.0003 (0.0181)0.9978 (0.0178)0.9880 (0.0156)0.9983 (0.0162)1.0017 (0.0146)

60MOM1.0402 (0.0280)1.0432 (0.0244)1.0332 (0.0224)1.0417 (0.0225)1.0339 (0.0217)
MLE1.0230 (0.0159)1.0181 (0.0151)1.0304 (0.0146)1.0226 (0.0140)1.0247 (0.0129)
IME1.0109 (0.0152)1.0067 (0.0145)1.0190 (0.0139)1.0113 (0.0134)1.0132 (0.0122)
MIME0.9948 (0.0147)0.9913 (0.0142)1.0039 (0.0132)0.9965 (0.0129)0.9987 (0.0118)

MOM1.0342 (0.0219)1.0288 (0.0167)1.0272 (0.0180)1.0305 (0.0155)1.0327 (0.0161)
MLE1.0130 (0.0116)1.0238 (0.0121)1.0201 (0.0106)1.0229 (0.0111)1.0199 (0.0095)
IME1.0041 (0.0113)1.0149 (0.0116)1.0119 (0.0103)1.0148 (0.0107)1.0116 (0.0092)
MIME0.9922 (0.0111)1.0034 (0.0112)1.0007 (0.0100)1.0037 (0.0103)1.0008 (0.0089)

MOM1.0269 (0.0154)1.0255 (0.0153)1.0210 (0.0125)1.0144 (0.0120)1.0236 (0.0117)
MLE1.0129 (0.0087)1.0135 (0.0095)1.0149 (0.0080)1.0150 (0.0080)1.0133 (0.0075)
IME1.0059 (0.0085)1.0067 (0.0092)1.0083 (0.0077)1.0084 (0.0077)1.0069 (0.0073)
MIME0.9964 (0.0083)0.9975 (0.0090)0.9994 (0.0076)0.9996 (0.0076)0.9983 (0.0072)