Real math help.
Probability and Statistics
More Specific Topics in Probability and Statistics
Popular Tutorials in Probability and Statistics
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How Do You Use a Tree Diagram to Count the Number of Outcomes in a Sample Space?
When you're trying to figure out all the possibilities from different options, it can be helpful to make a tree diagram. In this tutorial, you'll see how to use a tree diagram to figure out how many different outfits can be created from the possible shirts, bottoms, and shoes given. Check it out!
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How Do You Use the Fundamental Counting Principle to Count the Number of Outcomes in a Sample Space?
When you're trying to figure out all the possibilities from different options, it can be helpful to draw a picture. In this tutorial, you'll see how to use a picture to figure out how many different outcomes can be created from the possibilities given. Check it out!
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How Do You Find the Probability of a Simple Event?
Working with probabilities? Check out this tutorial! You'll see how to calculate the probability of picking a certain marble out of a bag.
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How Do You Find the Probability of Independent Events?
Calculating probabilities? Take a look at this tutorial and see how to figure out the probability of independently drawing certain cards from a deck!
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How Do You Find the Mean of a Data Set?
Mean is just another name for average. To find the mean of a data set, add all the values together and divide by the number of values in the set. The result is your mean! To see an example of finding the mean, watch this tutorial!
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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. It's easy to find the median if you first put the numbers in order from least to greatest. In this tutorial, see how to find the median of a data set, and see what to do if there are two middle values!
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How Do You Find the Mode of a Data Set?
The mode of a data set is the number that occurs most frequently in the set. To easily find the mode, put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode! Follow along with this tutorial and see how to find the mode of a set of data.
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How Do You Find the Range of a Data Set?
The range of a data set is the difference between the largest number and the smallest number. In this tutorial, you'll see how to find the range of a set of data. Check it out!
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How Do You Make a Histogram?
If you want to see data from a frequency table in a more visual way, try creating a histogram to show off that data! This tutorial shows you what to do!
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How Do You Make a Box-and-Whisker Plot?
A box-and-whisker plot can help you get a better picture of what your data looks like visually. This tutorial shows you the step-by-step process for making a box-and-whisker plot!
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How Do You Make a Frequency Table?
Frequency tables help you more easily see what occurs most often in a set of data. This tutorial shows you how to create a fequency table for a given set of data.
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How Do You Find a Number of Permutations Using the Fundamental Counting Principle?
The Fundamental Counting Principle (FCP) can be used to find a number of permutations. Follow along with this tutorial to see how to use the FCP to find the number ways you can rearrange the letters in the word NUMBER.
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How Do You Find the Probability of the Complement of an Event?
Probability can help you solve all sorts of everyday problems! This tutorial shows you how to find the probability of the complement of an event using gummy worms!
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How Do You Compare the Mean and Median of Data Sets Using a Line Plot
The mean and median can help you better understand a data set. Check out this real world example involving finding and comparing the mean and median of multiple data sets.
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What is an Outcome?
When you're conducting an experiment, the outcome is a very important part. The outcome of an experiment is any possible result of the experiment. Learn about outcomes by watching this tutorial!
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What is a Sample Space?
In an experiment, it's good to know your sample space. The sample space is the set of all possible outcomes of an experiment. Watch this tutorial to get a look at the sample space of an experiment!
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What is the Fundamental Counting Principle?
The Fundamental Counting Principle is a way to figure out the total number of ways different events can occur. In this tutorial, you'll be introduced to this principle and see how to use it in an example. Take a look!
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What is Probability?
Probability can help you solve all sorts of everyday problems, but first you need to know what probability is! Follow along with this tutorial to learn about probability!
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What is the Median of a Data Set?
The median is one of many measures of central tendency. Check out this tutorial to learn what the median is and how you can find it!
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What is the Mode of a Data Set?
Finding the mode of a set of data can help you understand the data better. This tutorial introduces you to mode and shows you how to find this helpful measure of central tendency!
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What is the Mean of a Data Set?
When you think of the mean of a data set, think of the word average. 'Mean' and 'average' are the same thing when you're talking about a set of data! This tutorial introduces you to mean and shows you how to find it!
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What is a Stem-And-Leaf Plot?
Stem-and-leaf plots can be really helpful in visually interpreting data. This tutorial introduces you to stem-and-leaf plots, shows you how to use this special type of graph, and explains some of the popular uses. Take a look!
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What is a Histogram?
Looking for info on histograms? Check this out:
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What is a Frequency Table?
Frequency tables tell you how often something occurs in a set of data. This tutorial introduces you to frequency tables and shows you some of the ways they can be used to interpret data!
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What is the Interquartile Range?
Being able to disect a set of data and better understand it is a key part of mastering statistics. This tutorial teaches you about one of these disection tools called the interquartile range.
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What is Experimental Probability?
Do real life situations always work out the way your mathematical models tell you they should? No! This tutorial describes how experimental probability differs from theoretical probability.
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What is the Complement of an Event?
When you learn about probablilities, the complement of an event is a must-know term! This tutorial introduces you the complement of an event.
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How Do You Use a Line Graph to Make Predictions?
How can you use a line graph to make predictions about the future? This tutorial can show you:
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How Do You Use a Circle Graph to Make Predictions?
Circle graphs are like a crystal ball that can help you predict the future! Let's see how to predict using a circle graph:
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How Do You Interpret a Circle Graph?
Get a better understanding of circle graphs by watching this tutorial:
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How Do You Interpret a Bar Graph With a Break in the Scale?
Want to practice interpreting a bar graph? Check out this tutorial:
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What is a Double Bar Graph?
A double bar graph is like two graphs in one! Learn all about double bar graphs with this tutorial:
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What is a Line Graph?
Want to see a line graph? Check out this tutorial! It introduces you to these neat graphs:
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How Do You Determine All the Possible Outcomes of an Experiment?
When you perform an experiment, how do you figure out all the possible outcomes? Follow along with this tutorial to see!
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What is an Unbiased Sample?
When you're trying to learn about a population, it can be helpful to look at an unbiased sample. An unbiased sample can be an accurate representation of the entire population and can help you draw conclusions about the population. This tutorial introduces you to unbiased sampling!
