Research Article
An Exponential-Cum-Sine-Type Hybrid Imputation Technique for Missing Data
Table 1
Sample structure and notations.
| Structure | Size |
| Population | N | Sample | N | Respondents | R | Nonrespondents | N − r |
| Characteristic | Notation | The population mean of Y | | The population mean of X | | The sample mean of based on the responding part of the sample | | The sample mean of based on the responding part of the sample | | The sample means of , respectively, based on the entire sample | | The correlation coefficient between and | | The population mean square of | | The population mean square of | | The coefficient of variation of | | The coefficient of variation | |
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