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Curated Video
Testing for Outliers in Data: Methods and Example
The video is a lecture on how to test for outliers in datasets and provides three methods for identifying them. The instructor explains the importance of identifying outliers to ensure the validity of data and outlines the three methods:...
Global Health with Greg Martin
Data Analysis Fundamentals: Describing, Summarizing, and Visualizing Data
This video provides a comprehensive guide on how to describe, summarize, and visualize data, covering key concepts such as variables, distributions, and statistical measures. It explains different types of data, such as categorical and...
Curated Video
Understand and Interpret the Slope of a Regression Line
This video explains the connection between the slope of a regression line and the correlation coefficient by examining standardized variables. It demonstrates how the slope of the regression line quantifies an inexact relationship...
Brian McLogan
How to find the probability using a normal distribution curve
👉 Learn how to find probability from a normal distribution curve. A set of data are said to be normally distributed if the set of data is symmetrical about the mean. The shape of a normal distribution curve is bell-shaped. The normal...
Curated Video
Reducing Margin of Error with Simulation and Sample Size
This video explains how to use simulation to decrease the size of a confidence interval, using the example of a cafeteria manager who wants to know how many parents of school children believe that school lunches are satisfactory. The...
Curated Video
Statistics for Data Science and Business Analysis - Calculating Confidence Intervals Within a Population with an Unknown Variance
This video is about calculating confidence intervals within a population with an unknown variance.
This clip is from the chapter "Confidence Intervals" of the series "Statistics for Data Science and Business Analysis".This...
This clip is from the chapter "Confidence Intervals" of the series "Statistics for Data Science and Business Analysis".This...
Curated Video
Modeling Data with the Normal Probability Distribution
In this video, the teacher explains how to model a data set using the normal probability distribution. They discuss the concepts of mean and standard deviation, and how they affect the shape and location of the distribution. The teacher...
Curated Video
Constructing and Interpreting Confidence Intervals
This video explains how to use a confidence interval in research, using examples of statistics gathered from various samples. It breaks down the concept of margin of error and how it relates to the confidence level and interval. The...
Curated Video
Comparing Dot Plots Using Center and Spread
In this video, students learn how to compare two dot plots by analyzing the center and spread of the data sets. They are introduced to standard deviation as a measure of spread and are taught how to calculate it using a chart.
Khan Academy
Range, Variance and Standard Deviation as Measures of Dispersion
Continuing his conversation about data sets from the previous video, Sal introduces range, variance, and standard deviation as means of dispersion. Those advancing in algebra or beginning a statistics class will benefit from Sal's clear...
Flipped Math
Normal Distributions
Distribute a video on normal distributions. Viewers discover how the mean and standard deviation affect the shape of normal distributions. They also learn to apply the Empirical Rule and use a graphing calculator to determine...
Flipped Math
Data Distributions
The shape of a data distribution can help shape one's understanding of the data. The second of five lessons in Algebra 1 Unit 4 focuses on data distributions. By watching a video, scholars learn about symmetric, bimodal, and skewed...
Flipped Math
Describing Data
No need to nap through the lesson. Given data on the number of naps two teachers take, learners calculate the mean, median, mode, and range, and then interpret their results in terms of the context. They then see how to determine the...
Crash Course
Z-Scores and Percentiles: Crash Course Statistics #18
Learn about statistics from A to z-score. Young statisticians watch an informative video that explains how to compare different normally distributed quantities using z-scores and percentiles. An example using ACT and SAT scores...
Crash Course
The Shape of Data: Distributions: Crash Course Statistics #7
Keep your knowledge of distributions in shape. An informative YouTube video describes how to analyze data using the shape of the data distribution. The seventh installment of the Crash Course Statistics series looks at normal...
Crash Course
Measures of Spread: Crash Course Statistics #4
Sometimes the measures of center don't give us enough information. The spread of the data can tell statisticians much more about the data set. A video lesson, part of a statistics video series, describes different measures of spread such...
Teacher's Pet
Using Math to Analyze Data
No one wants to be average, so mathematicians use the term mean instead of average. The video explains how to calculate the mean, how to calculate the percent error, and why this information is important. Finally, the video considers the...
statisticsfun
How to use Excel to Calculate Confidence Interval
Utilize Excel software to analyze a set of data by making statistical calculations. The instructor shows how to find the standard deviation, mean, minimum, maximum, margin of error, confidence intervals, and range using Excel commands....
Bozeman Science
Standard Deviation
Deviation is normal in the world of statistics. Viewers first learn about the normal distribution curve in an informative video. They then watch as the narrator calculates standard deviation by hand and using spreadsheets.
Bozeman Science
Standard Error
Standard error means ... it's okay to be wrong? Viewers learn how to calculate standard error from the standard deviation and the number of data values, both by hand and by using spreadsheets. The video also shows how to display this...
Ricochet Science
Understanding the Concept of Standard Deviation
It's getting hot out there! The last installment of an 11-part Math in Science video series, standard deviation and normal distributions to analyze data. Viewers learn how to apply this method to temperature data from past decades to...
statisticsfun
How to Calculate Margin of Error and Standard Deviation
What did the math book say to the psychology book? I have a lot of problems. A helpful video covers how to calculate the margin of error with various standard deviation numbers.
statisticsfun
How to Calculate Standard Deviation and Variance
What if math teachers are really pirates and they want us to find x so they can get the buried treasure? A short video explains how to calculate standard deviation and variance with a step-by-step guided practice problem. The...
statisticsfun
Why are Degrees of Freedom (n-1) Used in Variance and Standard Deviation
Don't be mean, be above average. A straightforward video explains why degrees of freedom are used and how to recognize the error based on your sample population.