Hi, what do you want to do?
Khan Academy
Data on Chinese US Balance of Payments
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...
Khan Academy
Data on Chinese M1 Increase in 2010
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...
Khan Academy
Data on Chinese Foreign Assets Increase in 2010
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...
Curated OER
How Do You Make a Scatter Plot?
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.
Curated OER
How Do You Find the Range of a Data Set?
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...
Curated OER
How Do You Find the Mean of a Data Set?
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.
Curated OER
How Do You Find the Mode of a Data Set Where All The Numbers are Different?
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.
Curated OER
How Do You Find the Median of a Data Set?
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...
Curated OER
What's a Scatter Plot?
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...
Curated OER
What Does it Mean To Have No Correlation?
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,...
Curated OER
Independent and Dependent Events
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.
Curated OER
Statistics: Decisions Through Data: Unit 1 What Is Statistics
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...
Khan Academy
Simple Analysis of Cost per Job Saved from Stimulus
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.
Curated OER
How Do You Find the Mode of a Data Set Where All The Numbers are Different?
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.
Curated OER
How Do You Find the Minimum, Maximum, Quartiles, and Median of a Data Set?
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...
Curated OER
What is a Frequency Table?
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....
Curated OER
What is the Mode of a Data Set?
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.
Curated OER
How Do You Make a Scatter Plot?
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.
Curated OER
How Do You Find the Range of a Data Set?
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...
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...
Curated OER
What is the Median of a Data Set?
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.
Curated OER
What is the Mode of a Data Set?
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.
Curated OER
How Do You Find the Mode of a Data Set?
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...
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...