Lecture on Probability
It is a value between zero and one, inclusive, describing the relative possibility (chance or likelihood) an event will occur in the future. As there is…
Business Statistics
Lecture on Sampling and Sampling Distribution
Sampling is the process of selection of some part of an aggregate or totality on the basis of which a judgement or inference about the…
Lecture on Broken bars
Broken bars In certain type of data there may be wide variations in values – some values may be very small, other very large. In…
Questionnaire on Probability in statistics
A Problem in Statistics is given to three students A, B and C whose chances of solving it are. What is the probability that the…
Lecture on Sample Size Determination
This Lecture paper is made on Sample Size Determination. Sample size determination is an important and often difficult step in planning an empirical study. From…
Sampling and Sampling Distribution
A sampling distribution is the probability distribution, under repeated sampling of the population, of a given statistic (a numerical quantity calculated from the data values…
Basic of Business Statistics
Statistics is the study of the collection, organization, analysis and interpretation of data. It deals with all aspects of this including the planning of data…
Lecture on Introduction to Statistics
What is Statistics? Life in the modern world is extricably bound up with the notions of number, counting and measurement. In speaking about the Chinese,…
Basic concept in Statistics
Statistical Inference makes use of information from a sample to draw conclusions (inferences) about the population from which the sample was taken.An experiment is any…
Lecture on Tests of Hypothesis
Tests of Hypothesis This lesson describes how to test a hypothesis about a proportion when the sample size is small, as long as the sample…
Lecture on Variable
The word variable is often used in the study of statistics, so it is important to understand its meaning. A variable is a characteristic that…
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