Qi Zhang
- Mathematics and Statistics, UNCG
There are 2 included publications by Qi Zhang :
| Title | Date | Views | Brief Description |
|---|
| Mean estimation of sensitive variables under measurement errors and non-response |
2020 |
661 |
This study mainly consists of three important issues we face in survey sampling: social desirability bias, measurement errors, and non-response. In this dissertation, we study the mean estimation of a sensitive variable under measurement errors and n... |
| Ratio estimation of the mean under RRT models |
2016 |
3134 |
Ratio estimation is a parameter estimation technique that uses a known auxiliary variable that is correlated with the study variable. In many situations, the primary variable of interest may be sensitive and it cannot be observed directly. However, w... |