Podcast
Questions and Answers
A histogram displays data distribution over a set range by showing the frequency of data points within specified intervals.
A histogram displays data distribution over a set range by showing the frequency of data points within specified intervals.
True (A)
Bar charts are ideal for visualizing relationships between two continuous variables.
Bar charts are ideal for visualizing relationships between two continuous variables.
False (B)
A pie chart is best used when comparing numerous categories.
A pie chart is best used when comparing numerous categories.
False (B)
Line charts are often used to show trends over time.
Line charts are often used to show trends over time.
Scatter plots are useful for displaying relationships between two variables, with each point representing an observation.
Scatter plots are useful for displaying relationships between two variables, with each point representing an observation.
In data visualization, a "spaghetti chart" is a term used for a bar chart with overlapping data.
In data visualization, a "spaghetti chart" is a term used for a bar chart with overlapping data.
A Pareto chart arranges data by frequency, displaying the "vital few" factors that contribute most to an effect.
A Pareto chart arranges data by frequency, displaying the "vital few" factors that contribute most to an effect.
Pareto analysis is based on the 80-20 rule, where 80% of effects come from 20% of causes.
Pareto analysis is based on the 80-20 rule, where 80% of effects come from 20% of causes.
Pareto charts can only display categorical variables.
Pareto charts can only display categorical variables.
In R, Pareto charts can be customized by changing the color scheme.
In R, Pareto charts can be customized by changing the color scheme.
