What is the initial phase in research and data analytics after identifying the research problem?

• Data collection

• Data analysis

• Data presentation

• Conclusion verification

Which of the following is a quantitative data collection method?

• Interviews

• Time series

• Observations

• Delphi technique

What is the purpose of the smoothing technique in data collection?

• To highlight significant patterns by removing noise

• To categorize variables into sub-variables

• To collect expert opinions

• To gather pre-existing information

Which qualitative data collection method involves directly watching the surrounding environment?

• Interviews

• Surveys

• Observations

• Questionnaires

What is the focus of qualitative data analysis techniques?

• Providing detailed explanations and understanding underlying causes

• Producing objective and logical data outcomes

• Forecasting product or service demand

• Predicting future trends based on current developments