Tag: statistics

Random Variables, Distribution function and Distribution Curve: A tutorial

Continuous Random Variable Distribution - Heights of people

What is  a random Variable? Random Variables are a means of assigning numbers to outcomes of random processes or experiments or activities. An example of random variable can be an "outcome of rolling a dice". Let us denote this random variable by symbol "Odice-roll ". The values this random variable can take can be any … Continue reading Random Variables, Distribution function and Distribution Curve: A tutorial →

Hypothesis Testing with Controlled Experiments: Computing P-value using Z-statistic

Hypothesis testing with Normal Distribution

Google the word “experiment”, the answer returned is, “a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact” While “Experiment” is a broader term, a controlled experiment specifically is about testing impact of a single factor /variable while the other variables remain constant. Confused? Don’t worry, read ahead. I … Continue reading Hypothesis Testing with Controlled Experiments: Computing P-value using Z-statistic →