A Review for the Confidence Intervals of the Mean of the Lognormal Distribution

The lognormal distribution is typically used in the study of concentrations of minerals in ore bodies as well as in applications in biology, cancer research, economics and diseases. An example of its usage dates back to the time of geo-statistician Danie Krige (1962). This was a time when statistics had only just taken off and found its presence in industrial and commercial applications. It was Krige whom, in his study of gold, pioneered the idea that the seemingly random and unpredictable nature of mining valuations – that is, the projected values of individual mining properties, could be captured via the lognormal distribution. More generally, the lognormal distribution is useful when applied directly onto positively skewed data.

Haneef Mohd Fairuz

Murdoch University

Haneef Mohd Fairuz is an undergraduate student at Murdoch University, studying a double major in Computer Science and Mathematics/Statistics. Previously, he studied a bachelor’s degree in medical imaging. It was at the end of his first year of his medical imaging studies that he found a preference and aptitude for axioms, theorems and problem-solving. Coupled with the recent rise in popularity of artificial intelligence, this prompted the switch to his current degree, leaving his medical imaging studies with a GPA of 3.88.

Haneef is currently aspiring to become a data scientist/analyst whom is adept with machine learning and programming, as well as the underlying statistics that applies. He hopes to explore all possible avenues of opportunity that arise during his study that will lead to his professional skills development and learning. A current focus of skill development involves the furthering of his research skills.

Currently undergoing his third year of studies, Haneef also works as a tutor of first-year Computer Science subjects. During tutoring sessions, he strives to impart programming skills and knowledge of computer theory in a way that encourages his students to approach learning like it is a journey of scientific discovery and worthwhile mental exercise. Haneef has participated in Murdoch University’s volunteering program, lending a helping hand to Perth’s local charity organisations. Through this program, he was granted an awareness and understanding of the smaller communities that contribute to the city’s wellbeing but are not always in the front headlines. He holds a Vice-Chancellor’s Commendation for Academic Excellence from Murdoch University and has a current GPA of 3.8. In his spare time, he likes to read books on self-improvement and enjoys puzzle games.

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