Data Visualization

What is a dot plot?

• A visualization that uses dots to represent data points

• A visualization that uses bars to represent data points

• A visualization that uses stems and leaves to represent data points

• A visualization that uses boxes and whiskers to represent data points

What is the purpose of a stem and leaf plot?

• To show the general shape of the data

• To show the individual data values

• To show the spread of the data

• To show the frequency of the data

What does the box in a boxplot represent?

• The minimum and maximum values of the data

• The median and quartiles of the data

• The mean and standard deviation of the data

• The range and interquartile range of the data

What do the whiskers in a boxplot represent?

• The minimum and maximum values of the data

• The median and quartiles of the data

• The mean and standard deviation of the data

• The range and interquartile range of the data

What is the purpose of a cumulative frequency plot?

• To show the general shape of the data

• To show the individual data values

• To show the spread of the data

• To show the cumulative frequency of the data

What is the median number of unique words in a Justin Timberlake song?

• 89

• 129

• 160

• 257

What does it mean if a data point is flagged as an outlier in a boxplot?

• It is a valid-but-rare value

• It is a mistake in the data

• It is a value that is expected in the data

• It is a value that is impossible in the data

What is the purpose of asking questions when interpreting a graph?

• To gather more information

• To challenge the validity of the graph

• To improve the graph's accuracy

• To make the graph more informative

What is the likelihood of being killed by a shark?

• 1 in 3.7 million

• 1 in 1 million

• 1 in 100,000

• 1 in 10,000

What is the main purpose of data visualization?

• To make data more visually appealing

• To communicate information effectively

• To manipulate data for personal gain

• To confuse the audience