# Ch 8: Explorations in Core Math Algebra 2 Chapter 8: Data Analysis and Statistics

Brush up on how to collect and interpret data using the lessons in our Data Analysis and Statistics chapter. Polish your skills using the practice problems, chapter tests and lesson quizzes as you work your way through the chapter.

## Explorations in Core Math Algebra 2 Chapter 8: Data Analysis and Statistics - Chapter Summary and Learning Objectives

Whether you're conducting research or following the batting average of your favorite baseball players, you're probably working with statistics. They are a part of life that affects practically everything around us in some way. Learn more about them, how to use them and what they mean to you in these short video lessons. The lessons cover the following material:

• How to interpret histograms and other charts
• Definition of mean, mode and median
• Explanation and types of survey research and observational studies
• Difference between normal, sampling and probability distributions

VideoObjective
Mean, Median & Mode: Measures of Central Tendency Describe and explain mode, mean and median.
What are Center, Shape, and Spread? Define terms used in graphs.
What is Categorical Data? - Definition & Examples Understand the different uses for categorical data.
Simple Random Samples: Definition & Examples Explore applications of random sampling.
Convenience Sampling in Statistics: Definition & Limitations Understand limits of convenience sampling.
Systematic Random Samples: Definition, Formula & Advantages Learn how to collect data using random sampling.
Stratified Random Samples: Definition, Characteristics & Examples Explore the uses of stratified random sampling.
Cluster Random Samples: Definition, Selection & Examples Look at the uses cluster random sampling.
Make Estimates and Predictions from Categorical Data Use categorical data to make estimations.
What Is Survey Research? - Definition, Methods & Types Examine methods of conducting surveys.
Experiments vs. Observational Studies: Definition, Differences & Examples Evaluate and examine ways of collecting data.
Hypothesis Testing: Comparing the Null & Alternative Hypothesis Distinguish between null and alternative hypothesis.
Sampling Distribution: Definition, Models & Example Interpret a sampling distribution.
Probability Distribution: Definition, Formula & Example Explore applications of probability distribution.
Normal Distribution of Data: Examples, Definition & Characteristics Work with histograms and learn to understand normal distribution.

15 Lessons in Chapter 8: Explorations in Core Math Algebra 2 Chapter 8: Data Analysis and Statistics
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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