statisticsfun
Calculating Standard Deviation Using Excel
Excel at your work with a lesson featuring spreadsheets. A video walks pupils slowly through how to solve standard deviation and variance using Excel in two different ways.
Curated OER
Mean, Median, and Mode
How many types of average are there? This video describes how to determine the mean, median, and mode of a set of numbers. Each type is worked through using one data set and the instructor shows the procedure for determining each.
Khan Academy
MTEL Math Practice Test: 41-45
Finishing up this practice MTEL Math test, Sal guides the viewer through questions 41-45, explaining his thought processes. The problem set in this video features skills such as median and mean, percentages, and probability, all of which...
Khan Academy
MTEL Math Practice Test: 1-4
Are you worried about the MTEL? Never fear—Sal is here! Designed for adults seeking their teaching credentials in Massachusetts, this series of videos guides future teachers through a practice test for the Math MTEL. The valuable...
Curated OER
What is the Mean of a Data Set?
Average, mean, average, mean. They are the same thing. So just use the formula for finding the average of a set of numbers to get the mean. Add up the value of the terms and then divide by the number of terms in the data set. There's the...
Curated OER
What is Numerical, or Quantitative, Data?
The teacher gives a very thorough explanation of numerical or quantitative data being anything where the answer to a question would be a number. Whereas any other answer might be considered categorical. She shows several different ways...
Virtual Nerd
Virtual Nerd: How Do You Find the Mean of a Data Set?
Mean is another word for average. Learn how to determine the mean from a set of data. Watch this tutorial for an example. [3:13]
Virtual Nerd
Virtual Nerd: What Is the Mean of a Data Set?
Mean is the same thing as average when referring to a set of data. Watch this tutorial for an explanation and example. [4:05]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Measuring Spread of a Distribution
This lesson looks at the different measures of center and variability that are used when analyzing the spread of data in a distribution. Includes downloadable study guide with exercises - guide also covers other topics. [17:21]
Khan Academy
Khan Academy: Algebra: Average or Central Tendency:arithmetic Mean, Median, Mode
Video explains the different measures of center: arithmetic mean, median, and mode. Gives examples of finding each measure of central tendency and discusses the effect of outliers on each. Includes a link to additional practice problems....
Khan Academy
Khan Academy: Statistics: Inferring Population Mean From Sample Mean
Explanation of the difference between population and sample mean. Includes notation and reasons for using sample mean to infer information about a population. [10:02]
PBS
Pbs Learning Media: Real Life Math: Baseball
Watch and listen as the assistant general manager of a major league baseball team explains how he uses math in this video from KAET, Arizona PBS. A lesson plan and handouts are included. [7:43]
Sophia Learning
Sophia: Employing the Empirical Rule: Lesson 1
This lesson shows how to put the empirical rule to use. It is 1 of 7 in the series titled "Employing the Empirical Rule."
Sophia Learning
Sophia: Variance: Lesson 5
This lesson introduces and defines variance and the role it plays in data sets. It is 5 of 5 in the series titled "Variance."
Sophia Learning
Sophia: Employing the Empirical Rule: Lesson 2
This lesson shows how to put the empirical rule to use. It is 2 of 7 in the series titled "Employing the Empirical Rule."
National Science Foundation
National Science Foundation: Science of Nhl Hockey: Statistics & Averages
In order to be the best at their game, an NHL goalie must understand the statistics of their performance, and of their competition, e.g., the goalie save percentage and the goals against average. [5:56]
Math Mammoth
Math Mammoth: How to Make a Histogram and Calculate the Bin Width
Explains how to make a histogram after grouping the data into 'bins.' Also looks at central tendency and variability. [8:10]
Tyler DeWitt, PhD
Science With Tyler De Witt: What Is a Weighted Average?
Watch this tutorial to answer the following questions: What is a weighted average? How do you calculate a weighed average? Weighted averages are used for atomic mass and atomic weight, based on the mass numbers of various isotopes.
Virtual Nerd
Virtual Nerd: How Do You Find an Average?
To figure out how to find the average to just about anything, take a look at this tutorial about averages. [6:08]
Virtual Nerd
Virtual Nerd: What Is the Mean of a Data Set?
Tutorial explains 'mean' or 'average' and shows how to find it. [4:05]
Virtual Nerd
Virtual Nerd: How Do You Find the Median of a Data Set?
The median of a data set is the number that is the middle value of the set. You can find this by putting the numbers in order from least to greatest. Watch this tutorial to see how to find the median of a data set. [3:53]
Math Playground
Math Playground: Can a Set of Data Have More Than One Mode?
This video first defines mean, median and mode. It then answers the question can a set of data have more than one mode.
Khan Academy
Khan Academy: Mean, Median, & Mode Example
The video gives a data set and describes how to find the mean, median, and mode.
Khan Academy
Khan Academy: Statistics Intro: Mean, Median, & Mode
The video introduces statistics and explains the three different ways to describe the center of a data set.