Anscombe's Quartet Visualization

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Which state has the highest percentage of individuals with a college degree?

Massachussetts

Which state has the lowest percentage of individuals with a college degree?

West Virginia

Which state has the highest average income?

New Jersey

Which state has the lowest average income?

Arkansas Signup and view all the answers

In which state is the percentage of individuals with a college degree closest to the national average?

Oregon Signup and view all the answers

Which state has the highest income among those with a college degree below the national average?

California Signup and view all the answers

What is one key rule for creating good visualisations?

Titles of visualisations should be meaningful Signup and view all the answers

What should the number representation in a visualisation be proportional to?

the actual amounts being represented Signup and view all the answers

Why is it important to use labels in visualisations?

To explain any potential graphical mislead or ambiguity Signup and view all the answers

What should a good visualisation emphasize?

the information contained in the data NOT on graphics Signup and view all the answers

What should large data sets in visualisations aim to achieve?

Make large data sets coherent Signup and view all the answers

What is the equation of the regression line for the data set?

Y = 3 + 0.5X Signup and view all the answers

What is the standard error of estimate of the slope?

0.118 Signup and view all the answers

What is the correlation coefficient for the data set?

0.82 Signup and view all the answers

What is the coefficient of determination (r^2) for the data set?

0.67 Signup and view all the answers

What is the regression of the sum of squares?

27.70 Signup and view all the answers

What is the residual sum of squares for Y?

13.75 Signup and view all the answers

What is the term used to describe the action of removing unnecessary elements from a visual representation to improve clarity?

Delete redundant information Signup and view all the answers

What is the term for the concept of minimizing the amount of ink used to display data in a visual representation?

Poor data-ink ratio Signup and view all the answers

How can the visual representation be improved by changing solid diamond markers to unfilled circles?

This would allow sight of any overlapping data Signup and view all the answers

What is a key consideration when dealing with very large datasets in data visualization?

Consider data summarisation prior to visualization Signup and view all the answers

Why is it important to consider presenting data at different levels of detail?

To cater to different levels of information needs Signup and view all the answers

What is a guiding principle for creating effective visualizations?

Simplicity – make graphs and tables as simple as possible Signup and view all the answers

What type of visualisation was tested in the experiments mentioned?

Plain and ornated visualisation using charts by Nigel Holmes Signup and view all the answers

After a 5-minute break, was there a significant difference in recall accuracy between plain and ornated visualisations?

No, there was no significant difference in recall accuracy. Signup and view all the answers

When comparing recall after a 3-week break, which type of charts showed better recall?

Holmes charts of the data topic and the details Signup and view all the answers

What were people better at when it came to identifying messages in the visualisations?

People were better at identifying messages in the Holmes visualisations. Signup and view all the answers

What is the main problem associated with the interpretation of data in visualisations?

Trust – biased image Signup and view all the answers

What should be maximized in visualisations to effectively present data?

Maximize data-ink ratio Signup and view all the answers