Data Collection and Validation Quiz

Which of the following is the first step in collecting data for a research project?

• Analyzing the data

• Defining the objective or problem

• Drawing conclusions

• Presenting the results

What is the main purpose of data validation?

• To make data look attractive

• To ensure data is accurate and reliable

• To delete unnecessary data

• To increase the amount of data

Which of the following is a primary data collection method?

• Reading a published report

• Conducting a survey

• Using data from a website

• Referring to a textbook

If a student records the temperature every hour for a day, what type of data is being collected?

• Qualitative data

• Quantitative data

• Categorical data

• Ordinal data

Which of the following is NOT a method of validating data?

• Double-checking entries

• Ignoring outliers

• Cross-referencing with other sources

• Using validation rules

A teacher asks students to write their favorite color. What type of data is collected?

• Numerical data

• Categorical data

• Continuous data

• Discrete data

Which of the following best describes a sample in data collection?

• The entire group being studied

• A subset of the population

• The data after analysis

• The final report

What is the main advantage of using a random sample?

• It is always cheaper

• It reduces bias

• It guarantees correct results

• It is faster

Which of the following is an example of a data validation rule?

• Collecting data from friends only

• Using only even numbers

• Ignoring missing values

• Range check

• Format check

• Consistency check

• Presence check