Margin of Error
In this post, we’ll introduce a new statistics term called the margin of error. Since a sample is […]
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CI Population Variance Known
Suppose we have a sample of salaries for a job title and we know the population’s variance. In […]
Covariance and Correlation
Relationships Between Variables Up to this point we’ve looked at univariate measures, those with one variable. We’ve looked […]
Google Data Analytics at Coursera
What is the Google Data Analytics course at Coursera all about? Learn how to process and analyze data, […]
Regression Analysis
Regression analysis or regression models are a group of statistical techniques that use existing data to estimate the […]
Student’s T Distribution
The Student’s T-distribution is one of the most important breakthroughs in statistics, as it allowed inference through small […]
Confidence Intervals Introduction
Series of Posts This post is the first part of a series of posts called Statistics Confidence Intervals […]
Central Limit Theorem
The Central Limit Theorem (CLT) states that no matter the distribution of the population (Binomial, Uniform, Exponential, or […]
Inferential Statistics
Up to now in our study of the basics of Statistics we’ve covered descriptive statistics. Click on the […]
Central Tendency
In statistics we want to look at measures of central tendency, asymmetry, and variability. Univariate Measures What is […]
Data Analytics Introduction
What is data analytics? Here is what Wikipedia says about data analysis: “Data analysis is a process of […]
R Language Introduction
What is the R programming language? Wikipedia says: “R is a programming language for statistical computing and graphics […]