---
url: "https://questionstar.com/principles-of-survey-research/chapter-5/slide-195.html"
title: "Hypothesis Testing"
type: "lehrbuch-slide"
chapter: 5
chapterTitle: "Data Analysis: A Concise Overview of Statistical Techniques"
slide: 195
---

# Hypothesis Testing

*Step 3 · expected frequencies*

Step 3 · Choosing the appropriate test statistic

fe — frequencies we would expect in the cells if there were no relationship.

fo — the frequencies actually observed.

f ~e = nr · ncn

nr — total sum in a **row**

nc — total sum in a **column**

n — sample size

f ~e₁,₁ = 15 · 1530 = 7.5

f ~e₁,₂ = 15 · 1530 = 7.5

f ~e₂,₁ = 15 · 1530 = 7.5

f ~e₂,₂ = 15 · 1530 = 7.5

---

*Slide 195 of 274 · Chapter 5: Data Analysis: A Concise Overview of Statistical Techniques · Principles of Survey Research · Dr. Paul Marx*
