---
url: "https://questionstar.com/principles-of-survey-research/chapter-5/slide-191.html"
title: "Hypothesis Testing"
type: "lehrbuch-slide"
chapter: 5
chapterTitle: "Data Analysis: A Concise Overview of Statistical Techniques"
slide: 191
---

# Hypothesis Testing

*Significance (α) — the probability that a true null hypothesis is rejected.*

Step 2 · Setting the significance level

Significance (α) — the probability that a **true** null hypothesis is rejected.

β — the probability that a **false** null hypothesis is accepted.

Significance levels in market research

α — significance level

0.01 (1%)

0.05 (5%)

(1−α) — confidence level

0.99 (99%)

0.95 (95%)

---

*Slide 191 of 274 · Chapter 5: Data Analysis: A Concise Overview of Statistical Techniques · Principles of Survey Research · Dr. Paul Marx*