Data Collection and Analysis Quiz

What is the basic unit of statistical studies?

• Statistics

• Data

• Information

• Research

Which of the following is an example of primary data?

• Articles from professional journals

• Books on research methods

• Data collected for a thesis

• National census data

What is secondary data?

• Data collected by the investigator for their own study

• Data collected by someone else for a different purpose

• Data that is not recorded

• Data that is only qualitative

What is the purpose of hypothesis testing in statistics?

• To analyze data

• To collect data

• To present data visually

• To infer from a sample whether to accept or reject a statement about the population

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

• Chi-square test

• T-test

• F-test

• Z-test

What does the Analysis ToolPak in Excel help with?

• Data storage

• Data visualization

• Statistical treatments

• Data collection

What is the significance of a project data book?

• It is a collection of secondary data

• It is used for data analysis

• It is a detailed account of every phase of the project

• It is a summary of the research findings

What is the decision rule when the computed value is greater than the critical value?

• None of the above

• Accept the alternative hypothesis

• Reject the null hypothesis

• Fail to reject the null hypothesis

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

• Unpublished theses

• Articles in newspapers

• Books

• Data collected for a specific research project

What is the main focus of data analysis?

• Collecting data

• Presenting data

• Evaluating and interpreting data

• Storing data