Data Collection and Analysis Quiz

What is the basic unit of statistical studies?

• Data

• Information

• Research

• Statistics

Which of the following is an example of primary data?

• Books and encyclopedias

• Published journal articles

• Data collected for a thesis

• National census data

What type of data is collected by someone else for a different purpose?

• Qualitative Data

• Primary Data

• Tertiary Data

• Secondary Data

Which of the following is NOT a source of secondary data?

• Unpublished theses

• Articles in professional journals

• Surveys conducted by the researcher

• Books

What is the purpose of a project data book?

• To analyze statistical results

• To summarize findings

• To record every phase of the project

• To collect secondary data

What does hypothesis testing in statistics involve?

• Inferring from a sample about a population

• Analyzing secondary data

• Collecting primary data

• Creating a project data book

Which statistical test is used for small sample sizes when the population variance is unknown?

• F-test

• Z-test

• Chi-square test

• T-test

What is the significance level commonly used in hypothesis testing?

• 0.15

• 0.01

• 0.05

• 0.10

What does a computed value greater than the critical value indicate?

• Fail to reject the null hypothesis

• Reject the null hypothesis

• No significant difference

• Data is inconclusive

Which test is used to determine if there is a significant difference between two independent groups?

• Z-test

• ANOVA

• F-test

• T-test