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What is a common method for collecting survey data?

• Phone interviews

• Online questionnaires

• Mail surveys

• Focus groups

Which of the following is a qualitative data collection method?

• Surveys

• Observations

• Experiments

• Interviews

What type of chart is best for showing parts of a whole?

• Pie chart

• Histogram

• Line chart

• Bar chart

Which visualization technique is used to display trends over time?

• Pie chart

• Bar chart

• Scatter plot

• Line chart

What does a scatter plot help to identify?

• The trend over time for one variable.

• The average of a single variable.

• The distribution of a single variable.

• The relationship between two variables.

What is the purpose of data cleaning in data collection?

• To ensure data is collected from multiple sources.

• The purpose of data cleaning is to enhance data quality for accurate analysis.

• To create new data points for analysis.

• To reduce the size of the dataset for faster processing.

How can you ensure data privacy when collecting personal information?

• Collect data without consent

• Obtain explicit consent and use encryption.

• Store data in plain text

• Share data with third parties without notice

What is the significance of informed consent in data collection?

• Informed consent is irrelevant to participant privacy.

• Informed consent protects participants' rights and promotes ethical research practices.

• Informed consent allows researchers to bypass ethical guidelines.

• Informed consent is only necessary for medical research.

What is a key ethical consideration when using data?

• Ignoring data security protocols.

• Maximizing data collection for profit.

• Privacy and confidentiality of individuals' information.

• Using data without consent from individuals.

How can data be used to improve decision making in businesses?

• Data is only useful for financial analysis.

• Data improves decision making by providing insights that guide strategic planning and operational efficiency.

• Data should be ignored in favor of intuition.

• Data complicates the decision-making process.