Statistics Quiz

What is the primary purpose of statistics in research?

• To analyze data

• To collect data

• To provide techniques for data collection and analysis

• To interpret data

Which of the following is a type of descriptive statistic?

• Mean

• ANOVA

• Regression analysis

• Hypothesis testing

What type of data is characterized by numerical values that can be measured?

• Qualitative data

• Quantitative data

• Ordinal data

• Nominal data

What is the definition of a hypothesis?

• A proven fact

• A statement to be tested

• A type of data

• A method of analysis

Which of the following is an example of a control variable?

• Dependent variable

• A variable that is manipulated

• A variable kept constant

• Independent variable

What does inferential statistics allow researchers to do?

• Collect data

• Describe data

• Visualize data

• Make predictions about a population

Which sampling technique involves selecting individuals based on specific criteria?

• Cluster sampling

• Purposive sampling

• Stratified sampling

• Random sampling

What is the main focus of descriptive statistics?

• To analyze relationships between variables

• To predict future outcomes

• To test hypotheses

• To summarize and describe characteristics of data

What is a key characteristic of nominal data?

• It has a true zero point

• It is categorical without a specific order

• It has a natural order

• It can be measured

Which of the following is NOT a type of inferential statistic?

• ANOVA

• Mean

• Regression analysis

• T-test