# UofT | PSY201H1 – Statistics I

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## Chapter Lessons:

### 1: Introduction to Statistics

Gravetter, PSY201H1, University of Toronto
Free

This chapter is short and simple. It introduces the basic types of groups you’ll study, the different types of data that can be collected from those groups, and the various types of studies that can be performed using that data.

1 h 6 min
7 Lessons
0 Students

### 2: Frequency Distributions

Gravetter, PSY201H1, University of Toronto
Free

The amount of data produced by research studies can be enormous. In this chapter we learn to organize and summarize raw data into frequency distribution tables, and then graph these tables as bar charts, histograms, polygons, and stem-an…

2 h 25 min
13 Lessons
0 Students

### 3: Central Tendency

Gravetter, PSY201H1, University of Toronto
Free

Another method for summarizing large data sets is to find a single value that is “typical” of the entire distribution. In this chapter I’ll teach you how to find three of these “measures of central tendency”: The Mean, The Media, and The…

1 h 56 min
14 Lessons
0 Students

### 4: Variability

Gravetter, PSY201H1, University of Toronto
Custom

In this chapter we’re introduced to the importance of variability as a measure of  the degree to which scores in a distribution are spread out or clustered together. Three basic measures of variability are covered: range, variance, and s…

2 h 49 min
14 Lessons
0 Students

### 5: z-Scores / Normal Distribution

Gravetter, PSY201H1, University of Toronto
Free

In this video we introduce z scores and show how they describe the location of a raw (X) score on a distribution. You’ll learn to transform X values into z-scores, z-scores into X values, and meaning and uses of a standardized distributi…

1 h 35 min
21 Lessons
0 Students

### 6: Probability

Gravetter, PSY201H1, University of Toronto
Included with course

Here we dig into the real core elements of statistics: probability and random sampling. We’ll connect the concepts of probability, proportion, percentile, and percentile rank, and show how to find their values on the unit normal table us…

19 Lessons
0 Students

### Appendix A

Gravetter, PSY201H1, University of Toronto
Free

Need to brush up on some high school math? I’ve got you covered here with order of operations, fractions, solving equations, and more!

5 Lessons
0 Students