Stats Doesnt Suck

PSYC 2021 – Summer 2023*

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TOPICS

1 – Defining Key Statistical Terms 7 Topics Sample Lesson

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Variables, Data, and Scores

Populations vs. Samples

Parameters vs. Statistics

Descriptive vs. Inferential Statistics

Discrete vs. Continuous Variables

Nominal, Ordinal, Interval, and Ratio Variables

2 – Frequency Distributions 13 Topics Sample Lesson

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Frequency Distributions

Frequency Distribution Tables | The Basics

Frequency Distribution Tables | Finding Sample Size (n)

Frequency Distribution Tables | Finding the Sum of x (Σx)

Frequency Distribution Tables | Grouped Data

Frequency Distribution Tables | Proportions and Percentages

Percentiles and Percentile Ranks

Stem and Leaf Displays

Describing the Shape of a Distribution

3 – Central Tendency 14 Topics | 1 Quiz Sample Lesson

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What is Central Tendency

Population and Sample Means

The Mean as a Balance Point

The Weighted Mean

Calculating the Mean Using a Frequency Distribution Table

How adding a new score (or removing a score) affects the mean

How adding a constant to each score affects the mean

How multiplying or dividing scores by a constant affects the mean

The Median | Example with Continuous Data

Why the Mean is Best

When to Use the Median

When to Use the Mode

Quiz – Central Tendency