Statistics: Hypothesis Testing Exam
2025 Questions and Answers
Hypothesis - ANSWER✔✔-Tentative explanation for a phenomenon, or an observation,
or a problem that can be tested with further investigation
-Can be qualitative or quantitative
Types of Hypothesis and Characteristics - ANSWER✔✔-Statistical, research,
correlational, causal
Statistical - ANSWER✔✔-Formula statement to test for significance, the null Hypothesis
is always that there is no relationship between X and Y, the alternative hypothesis is
that there is a relationship between X and Y, may be either directional or non-
directional
Research - ANSWER✔✔-States as main focus of research study, stated that there is a
relationship between X and Y, not restricted to just tests of significance but also used to
test for association, correlation, and when appropriate causation
Correlational - ANSWER✔✔-Used with observation research design and can only
specify covariation between variables
Causal - ANSWER✔✔-Used with experimental research design and can test causal
linkages between independent and dependent variables
Qualitative - ANSWER✔✔-Includes interviews, focus groups and ethnographic studies
Quantitative - ANSWER✔✔-Incluedes T-tests, Test of proportions, correlation,
regression and measures of association
Steps in Testing - ANSWER✔✔--Formulate the Null hypothesis
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 1
2025 Questions and Answers
Hypothesis - ANSWER✔✔-Tentative explanation for a phenomenon, or an observation,
or a problem that can be tested with further investigation
-Can be qualitative or quantitative
Types of Hypothesis and Characteristics - ANSWER✔✔-Statistical, research,
correlational, causal
Statistical - ANSWER✔✔-Formula statement to test for significance, the null Hypothesis
is always that there is no relationship between X and Y, the alternative hypothesis is
that there is a relationship between X and Y, may be either directional or non-
directional
Research - ANSWER✔✔-States as main focus of research study, stated that there is a
relationship between X and Y, not restricted to just tests of significance but also used to
test for association, correlation, and when appropriate causation
Correlational - ANSWER✔✔-Used with observation research design and can only
specify covariation between variables
Causal - ANSWER✔✔-Used with experimental research design and can test causal
linkages between independent and dependent variables
Qualitative - ANSWER✔✔-Includes interviews, focus groups and ethnographic studies
Quantitative - ANSWER✔✔-Incluedes T-tests, Test of proportions, correlation,
regression and measures of association
Steps in Testing - ANSWER✔✔--Formulate the Null hypothesis
COPYRIGHT © 2025 BY OLIVIA WEST, ALL RIGHTS RESERVED 1
