In chapter 1, the introduction about survey sampling, survey errors and use of
supportive information in estimation has been deliberated. Further in chapter 1, the
issues of non-response and different techniques dealing ...
Zahid, Rashiqa(Department of Statistics, CUIL, 2023-08-07)
The emphasis of this thesis is to improve the efficiency of the estimator for the time-scaled surveys. The extended exponentially weighted moving average (EEWMA) is a memorytype statistic that uses past observations along ...
RIAZ, AFSHAN(Department of Statistics, CUIL, 2023-02-09)
The statistical process control (SPC) is a set of statistical tools and techniques used to monitor and control the production process. Under SPC, one of the prompt tools is control charts. A graphical presentation of the ...
Jalee, Unsa(Department of Statistics COMSATS University Lahore, 2022-08-23)
Water is an essential element for the existence of living beings. Without which the survival of life is not worth considering. That is why water is in abundance on the planet Earth. Almost 71% of the Earth's surface consists ...
Liaqat, Najwa(Department of Statistics COMSATS University Lahore, 2022-08-23)
The National Football League (NFL) is the most popular and profitable professional sports league as it produced $12 billion turnover in 2020. The probability distributions certainly play a significant role to analyze and ...
Akhtar, Aiman(Department of Statistics COMSATS University Lahore, 2022-08-22)
Calibration Estimators are used to improve the efficiency of the
estimators. In this work, we provide some new estimators by using
auxiliary information such as calibration ratio estimator, calibration
exponential ...
Ali, Ramzan(Department of Statistics COMSATS University Lahore, 2022-08-22)
Quality is considered a precondition to select products or services. Therefore, the Companies
or Industries are more invested in the quality sector of products or services to engage more
customers. For this purpose, a ...
Jafri, Arbab Safdar Jafri(Department of Statistics COMSATS University Lahore, 2022-08-22)
To begin with, I want to express my gratitude to God for His blessings and support
that helped me completes this research successfully.
Secondly, I want to communicate my profound and true appreciation to my
supervisor, ...
Statistical quality control (SPC) is common main technique used for examining the
process’s output during production. One of its tools which is extensively used worldwide is
Control charts. It helps to point out the ...
Pareto distribution has vast application in different fields of medical and
engineering sciences. In this thesis, we have proposed a new Reflected Pareto
Distribution (RPD) using Cohen (1973) to reflect the parameter ...
Marshal-Olkin simulated Pareto-exponential distribution (MOSPED) is a new distribution developed from simulated Pareto-Exponential distribution (SPED) by using Marshal-Olkin technique. SPED is a special distribution which ...
Hussain, Aqsa(Department of Statistics, COMSATS University Lahore., 2021-05-28)
In chapter 1, the introduction about statistical process control, control charts and use of auxiliary
information in control charts has been explained. Further in chapter 1, objectives of control
charts also described. ...
Manzoor, Zainab; Manzoor, Zainab(Department of Statistics, COMSATS University Lahore.Department of Statistics, COMSATS University Lahore., 2021-05-28)
Usually, two different EWMA charts are used to screen the mechanism average and dispersion.
Chen and Xie 2001 was the first to introduce the idea to screen both mean and variance
simultaneously, with a single statistic ...
Manzoor, Zainab(Department of Statistics, COMSATS University Lahore., 2021-05-28)
Usually, two different EWMA charts are used to screen the mechanism average and dispersion.
Chen and Xie 2001 was the first to introduce the idea to screen both mean and variance
simultaneously, with a single statistic ...
ISRAR, AYESHA(Department of Statistics, COMSATS University Lahore., 2021-05-28)
Probability distributions analyze the complex phenomena in a comprehensive way and
provide the possible solutions of the understudy problem. The characteristics of a probability
distribution describe its behavior and ...
Usman Aslam, Muhammad(Department of Statistics, COMSATS University Islamabad, Lahore campus, 2019-12-19)
With the passage of time and global development in the industrial world, the competition for the quality improvement of the manufactured product has also increased. To achieve the quality perfection goal the best utilized ...
Liaquat, Sehrish(Department of Statistics, COMSATS University Islamabad, Lahore campus, 2019-12-19)
We introduce the truncated prior in Bayesian analysis to refine the posterior distribution and get improved results. The parameter of Inverse Rayleigh (IR) distribution is estimated through Bayesian approach using various ...
Atiq Khan, Warda(Department of Statistics, COMSATS University Islamabad, Lahore campus, 2019-12-19)
This study aims to specify the extension of Hansen-Hurwitz (1946). This research proposes two sub-sampling methodology based on three-phase sampling and four-phase sampling for dealing with the problem of non-response.
The ...