# Ch 21: GRE - Probability & Statistics: Help & Review

The GRE Quantitative Reasoning: Probability and Statistics chapter of this GRE Prep Help and Review course is the simplest way to master probability and statistics. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of probability and statistics.

## Who's it for?

Anyone who needs help learning or mastering GRE material will benefit from taking this course. There is no faster or easier way to acquire the skills needed to take the GRE. Among those who would benefit are:

• Students who have fallen behind in understanding operations involving probability and statistics
• Students who struggle with learning disabilities or learning differences, including autism and ADHD
• Students who prefer multiple ways of learning math (visual or auditory)
• Students who have missed class time and need to catch up
• Students who need an efficient way to learn about probability and statistics
• Students who struggle to understand their teachers
• Students who attend schools without extra math learning resources

## How it works:

• Find videos in our course that cover what you need to learn or review.
• Press play and watch the video lesson.
• Refer to the video transcripts to reinforce your learning.
• Test your understanding of each lesson with short quizzes.
• Verify you're ready by completing the Probability and Statistics chapter exam.

## Why it works:

• Study Efficiently: Skip what you know, review what you don't.
• Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
• Be Ready on Test Day: Use the Probability and Statistics chapter exam to be prepared.
• Get Extra Support: Ask our subject-matter experts any question about probability and statistics. They're here to help!
• Study With Flexibility: Watch videos on any web-ready device.

## Students will review:

This chapter helps students review the concepts in a probability and statistics unit of a standard GRE prep course. Topics covered include:

• Calculating mean, median and range
• Determining probability of simple, compound and complementary events
• Calculating probability of combinations and permutations
• Calculating probability of independent and dependent events
• Calculating permutations
• Understanding standard deviation and shifts in the mean
• Using relative and cumulative frequency tables
• Calculating simple conditional probabilities

16 Lessons in Chapter 21: GRE - Probability & Statistics: Help & Review
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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