DATA VISUALIZATION EXPLORING AND
EXPLAINING WITH DATA UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE FULL
SOLUTION
●● Why are visualizations preferred over text?
Answer: People process visuals faster, and visuals can summarize
complex information effectively.
●● What is the purpose of data visualization?
Answer: To explain results or explore data using appropriate chart types.
●● What type of data is quantitative?
Answer: Numerical data, such as age, height, or dollar amounts.
●● What defines ratio data?
Answer: It has a true zero point that indicates absence, such as cash.
●● What is interval data?
Answer: Data where zero is just another number, such as temperature.
, ●● What is discrete data?
Answer: Data that shows only whole numbers, such as points in a
basketball game.
●● What is continuous data?
Answer: Data that can include decimals, such as height.
●● What do distributions describe in data?
Answer: The mean, median, and standard deviation of the data.
●● What is nominal data?
Answer: Categorical data that is simple, such as hair color.
●● What is ordinal data?
Answer: Categorical data that can be ranked, such as gold, silver,
bronze.
●● What is the difference between declarative and exploratory
visualizations?
Answer: Exploratory visualizations are used to gain insights, while
declarative visualizations present findings.
●● What types of charts are appropriate for qualitative data?
EXPLAINING WITH DATA UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE FULL
SOLUTION
●● Why are visualizations preferred over text?
Answer: People process visuals faster, and visuals can summarize
complex information effectively.
●● What is the purpose of data visualization?
Answer: To explain results or explore data using appropriate chart types.
●● What type of data is quantitative?
Answer: Numerical data, such as age, height, or dollar amounts.
●● What defines ratio data?
Answer: It has a true zero point that indicates absence, such as cash.
●● What is interval data?
Answer: Data where zero is just another number, such as temperature.
, ●● What is discrete data?
Answer: Data that shows only whole numbers, such as points in a
basketball game.
●● What is continuous data?
Answer: Data that can include decimals, such as height.
●● What do distributions describe in data?
Answer: The mean, median, and standard deviation of the data.
●● What is nominal data?
Answer: Categorical data that is simple, such as hair color.
●● What is ordinal data?
Answer: Categorical data that can be ranked, such as gold, silver,
bronze.
●● What is the difference between declarative and exploratory
visualizations?
Answer: Exploratory visualizations are used to gain insights, while
declarative visualizations present findings.
●● What types of charts are appropriate for qualitative data?
