Page 44 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

Unit # 3

Statistical Inference &

Hypothesis Testing

Learning Outcomes

At the end of this unit, readers will be able to:

 Clear the concepts about various statistical terms.
 Formulate null and alternative hypothesis correctly.
 Distinguish between one-tailed and two-tailed tests.

 Understand the concept of statistical errors and
significance tests.
 State in your own words the Type I and Type II errors for
a given problem.
 Find the critical value using a table and state the decision
rule correctly.
 Comprehend how to make decision about hypothesis

testing.
 Make statistical and research conclusions

Hypotheses

A hypothesis is a proposed explanation for a problem. A hypothesis
is a tentative solution or statement of the problem.

The Theory and Applications of Statistical Inferences 28