stats Unit 4 vocab 4.1 - 4.4

Front

What is nonresponse in the context of sampling?

Back

Nonresponse occurs when an individual chosen for the sample can't be contacted or refuses to participate.

Front

What is an experiment in research?

Back

An experiment is a study in which researchers deliberately impose treatments (conditions) on individuals to measure their responses.

Front

What are the four steps of the statistical problem-solving process?

Back

The four steps are: 1. Ask questions, 2. Collect data, 3. Analyze data, 4. Interpret results.

Front

What is response bias?

Back

Response bias occurs when there is a consistent pattern of inaccurate responses to a survey question, influenced by factors such as question wording, lack of anonymity, and characteristics of the interviewer.

Front

True or False: Observational studies can provide convincing evidence of a cause-and-effect relationship between two variables.

Back

False. Only experiments can provide convincing evidence of a cause-and-effect relationship.

Front

What is the difference between observational studies and experiments?

Back

Observational studies observe subjects without imposing treatments, while experiments involve imposing treatments to measure responses.

Front

What is the purpose of collecting data in the statistical problem-solving process?

Back

The purpose of collecting data is to gather information that can be analyzed to answer the research questions.

Front

How can question wording affect survey results?

Back

Question wording can introduce bias, leading to a consistent pattern of inaccurate responses.

Front

What role does anonymity play in survey responses?

Back

Anonymity can reduce response bias by encouraging honest answers from participants.

Front

What is the significance of analyzing data in the statistical problem-solving process?

Back

Analyzing data helps to identify patterns, relationships, and insights that inform the interpretation of results.