Unit 9- Modeling Data

Statistics! Everybody uses statistics whether you think so or not. We are going to learn all about statistics in this unit. Statistics compare two or more things, so when we represent them, we need to have two variables. Here are some ways that we can represent data, and how we can analyze data to find useful information.

Lesson 2

In this lesson we learned about the Line of Best Fit. Real-world data isn't as perfect as what we see in class. We want to model this data with a straight line when we can. It's not perfect, but our correlation coefficient tells us how "good" it is.

Lesson 4

Learning about Residuals! Residuals tell us how far our data points are from the expected value of the line of best fit. If we add all of the residuals together, they add to zero. These videos show tell us what they are and how they are calculated.

Lesson 6

This lesson we explore multiple representations of data, including histograms, dot plots, and box plots. Each of them have certain features that we can use, and each of them is lacking certain features. Here are some videos that will help us interpret each type of representation.

Lesson 8

Lesson 8 is an extension of Lesson 6, but now we are going to go deeper in comparing the different types of representations. These videos show you how to compare histograms, box plots, and dot plots to each other.