Instructional Video4:17
Khan Academy

Data on Chinese US Balance of Payments

11th - Higher Ed
Sal references the US Bureau of Economic Analysis to demonstrate discrepancies in US imports and exports with actual documentation. A financial account chart documents the inflow and outflow of asset ownership, and Sal observes how few...
Instructional Video3:12
Khan Academy

Data on Chinese M1 Increase in 2010

11th - Higher Ed
To prove the points about the Chinese-US trade imbalance Sal made in previous videos, he presents documentation from the Chinese Central Bank that shows the M1 money supply every month. He compares the total Yuan supply from November...
Instructional Video3:41
Khan Academy

Data on Chinese Foreign Assets Increase in 2010

11th - Higher Ed
In further analysis of the Chinese Central Bank's documentation, Sal examines how much of the M1 supply increase was spent on foreign assets. He calculates the numbers for 2009/10, converting them to dollars to help scholars comprehend...
Instructional Video4:45
Curated OER

How Do You Make a Scatter Plot?

6th - 12th
So you've got some x-values and some y-values and you want to make a scatter plot. First thing is to make a table for your x and y values. Then make ordered pairs and you can plot them.
Instructional Video3:16
Curated OER

How Do You Find the Range of a Data Set?

6th - 11th
Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...
Instructional Video3:13
Curated OER

How Do You Find the Mean of a Data Set?

4th - 8th
There are eight decimals numbers in this data set. Find the mean. So add all the terms together and then divide that total number by the number of terms in the data set. That's how you find the mean or average of a data set.
Instructional Video2:36
Curated OER

How Do You Find the Mode of a Data Set Where All The Numbers are Different?

6th - 8th
You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.
Instructional Video3:52
Curated OER

How Do You Find the Median of a Data Set?

6th - 8th
Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows how to order a data set to find the median number. This given data set has an...
Instructional Video1:17
Curated OER

What's a Scatter Plot?

6th - 12th
Scatter plots refer to a graph of given data. Scatter plots offer a way to look at information and allows the observer to analyze and interpret possible meanings and trends of the given data. Predictions can often be made based on the...
Instructional Video1:07
Curated OER

What Does it Mean To Have No Correlation?

6th - 11th
What does it mean when a scatter plot graph shows that there is no correlation? Does it have something to do with the slope of the line of fit? Yes, it certainly does have to do with the line of fit. If the slope of the line is zero,...
Instructional Video4:55
Curated OER

Independent and Dependent Events

4th - 7th
With a well organized and clear explanation, this video will help students better understand independent and dependent events. Clear visual examples are provided and fully explaining.
Instructional Video12:22
Curated OER

Statistics: Decisions Through Data: Unit 1 What Is Statistics

7th - 9th
Introduce your class to the value and practical applications of statistics. This is the first unit in a series completely focused on describing the three main activities involved with statistics. This video provides an overview of data...
Instructional Video3:10
Khan Academy

Simple Analysis of Cost per Job Saved from Stimulus

11th - Higher Ed
What's Sal's take on the economic stimulus package? He breaks down some government-provided statistics to determine the total price per job created.
Instructional Video3:13
Curated OER

How Do You Find the Mode of a Data Set Where All The Numbers are Different?

6th - 12th
You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.
Instructional Video6:28
Curated OER

How Do You Find the Minimum, Maximum, Quartiles, and Median of a Data Set?

6th - 12th
The data sample comes from the number of glasses of water consumed each day by 15 students. You are trying to find minimum, maximum, median, and quartile from this data set. Minimum is the smallest number that occurs, while maximum is...
Instructional Video7:19
Curated OER

What is a Frequency Table?

6th - 12th
So you have a data set and you want a visual diagram to help you analyze the data. Not sure how to draw it? The instructor illustrates four different ways to look at a frequency table: two tally tables, one line graph, and one bar graph....
Instructional Video5:19
Curated OER

What is the Mode of a Data Set?

6th - 12th
Mode, the number that occurs most often. A data set could have one mode, no modes, or multiple modes. The teacher explains these variations and even gives some example of non-numerical data and how to figure out the mode.
Instructional Video5:21
Curated OER

How Do You Make a Scatter Plot?

6th - 12th
So you've got some x-values and some y-values and you want to make a scatter plot. First thing is to make a table for your x and y values. Then make ordered pairs and you can plot them.
Instructional Video3:51
Curated OER

How Do You Find the Range of a Data Set?

6th - 12th
Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...
Instructional Video4:50
Curated OER

What is Numerical, or Quantitative, Data?

6th - 12th
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...
Instructional Video5:54
Curated OER

What is the Median of a Data Set?

6th - 12th
Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows several examples using different sets of numbers.
Instructional Video4:36
Curated OER

What is the Mode of a Data Set?

6th - 8th
Mode, the number that occurs most often. A data set could have one mode, no modes, or multiple modes. The teacher explains these variations and even gives some example of non-numerical data and how to figure out the mode.
Instructional Video3:07
Curated OER

How Do You Find the Mode of a Data Set?

6th - 8th
What is the mode of a data set? Mean, mode, median. Get confused in remembering which is which? Mode is the number that appears the most times in a data set. So given a data set, arrange the numbers in numerical value from least to...
Instructional Video4:05
Curated OER

What is the Mean of a Data Set?

3rd - 7th
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...