Probability and Statistics > Regression Analysis > Find a Regression slope intercept Regression Slope Intercept: Overview The regression slope intercept formula, b0 = y – b1 * x is really just an algebraic variation of the regression equation, y’ =…

# Pooled Sample Standard Error: How to Calculate it

Probability and Statistics > Basic Statistics > Pooled Sample Standard Error Watch the video or read the steps below: Pooled Sample Standard Error: Overview The standard error of a sample is another name for the standard deviation of a sample…

# Segmented Bar Chart: Definition & Steps in Excel.

Statistics Definitions > What is a Segmented Bar Chart? Segmented Bar charts are one of the most popular charts used in Statistics. They are a type of stacked bar chart. In order to understand this chart, first you’ll need to…

# Timeplot / Time Series: Definition, Examples & Analysis

Probability and Statistics > Basic Graphs and Charts > Timeplot Contents: What is a Timeplot? What is Smoothing? Timeplot in Minitab What is Seasonality? What is a Timeplot? A timeplot (sometimes called a time series graph) displays values against…

# Descriptive Statistics: Definition & Charts and Graphs

Probability and Statistics > Descriptive Statistics Statistics can be broken down into two areas: descriptive statistics — which describes and summarizes data, and inferential statistics — which uses statistics to make predictions. Descriptive statistics just describes data. For example, descriptive…

# Skewness

Probability and Statistics > Descriptive Statistics: Graphs and Charts > Skewness < < Part One: Skewed Distribution In the first part of this article, we covered the basics for left-skewed and right-skewed distributions. You also learned how the mean and…

# 5 Number Summary in Excel: Easy Steps with Video

Probability and Statistics > Basic Statistics> 5 Number Summary in Excel Watch the video or read the article below: How to find a 5 number summary in Excel A five number summary is a way to describe data. It…

# Find the Mean of a Data Set in Easy Steps

Probability and Statistics > Basic Statistics> > How to Find the Mean How to Find the Mean: Overview The mean in mathematics can have several meanings, but in statistics it is always the average. The mean is found by adding…

# How to Find Outliers in Data: Easy Steps and Video

Probability and Statistics > Basic Statistics > How to find outliers Outliers are stragglers — extremely high or extremely low values — in a data set that can throw off your stats. For example, if you were measuring children’s nose…

# Frequency Distribution Table: What is it used for?

Probability and Statistics >Descriptive Statistics What is a Frequency Distribution Table? Frequency tells you how often something occurs. The frequency of an observation in statistics tells you the number of times the observation occurs in the data. For example,…