Estimating a Finite Population Mean Using Transformed Data in Presence of Random Nonresponse

Table 4

Results of the confidence interval lengths.

Estimator	Estimator proposed	Nadaraya–Watson	Modified Nadaraya–Watson
Bump	0.97482	2.22051	1.91380
Exponential	0.21954	4.23531	2.11372
Jump	1.09441	3.81237	1.91380
Linear	0.92700	1.70900	0.85730
Quadratic	0.77000	3.0000	1.46763
Sine	1.52700	4.89000	2.54520