Monthly Archives: January 2015

T Test for Independent Samples

In the area of statistics, the t- test is the most commonly used method that is used for the purpose of studying the difference in means between the two groups. In theoretical terms, the application of t – test is even possible when the sample size is relatively very small. The pre requisite is that […]

Non-Linear Estimation

Non Linear estimation is used to compute the relationship that exists between a set of independent variables and one dependent variable. For instance, the researcher may want to compute the relationship that exists between the dose of drugs and its effectiveness, the relationship that exists between training and subsequent performance of a task and the […]

What is Churn Analysis?

There is stiff competition in every industry for acquiring and retaining customers. The companies these days focus more towards the retention of the existing loyal customers so they do not get shifted towards purchasing products from other competitors in the market. Companies design and develop strategies so as to be able to identify and get […]

Distinction between Descriptive Statistics and Inferential Statistics

Distinction between Descriptive Statistics and Inferential Statistics  There are two major parts in statistics. Each of these two segments is important and has a different purpose to solve. These two sub fields are named as descriptive statistics and inferential statistics. How are these two areas different from each other? Descriptive Statistics It is the type […]