The Normal Distribution
The normal distribution is a continuous probability distribution that is symmetrical on both sides of the mean and […]
Statistics
The Poisson Distribution
The Poisson distribution is a probability distribution that models the probability that a certain number of events will […]
Binomial Probability Distributions
Identifying the distribution of your data is a key step in any analysis. It might be binomial or […]
Probability Distributions
The successful study of probability distributions depends on your understanding of basic probability. You can use probability distributions […]
Probability Introduction
Probability is the branch of mathematics that deals with measuring and quantifying uncertainty. Probability uses math to describe […]
Simple Linear Regression in Excel
Linear regression analysis is used to predict the value of a variable based on the value of another […]
CI for Predicting Sales
We are finding that we have too many products on our shelves and some of the products aren’t […]
CI Population Unknown and Equal
The previous series of posts was called Inferential Statistics. Let’s now compare “apples to apples”. Last time we […]
Hypothesis Testing Introduction
Series of Posts This post is the first part of a short series of posts called Hypothesis Testing. […]
CI Independent Samples
Let’s work with confidence intervals with two means and independent samples. Let’s work with data where we know […]
CI for Two Populations
What if we had two populations to consider? So far we’ve been looking at single populations. In some […]
Margin of Error
In this post, we’ll introduce a new statistics term called the margin of error. Since a sample is […]