Chapter 4

Question 1

What does Anscombes Quartet do?

Answer 1

It demonstrates the importance of graphing data before performing statistical analysis

Question 2

What happens in Anscombes Quartet?

Answer 2

The quartet of datasets have nearly identical properties but have vastly different visual patterns

Question 3

What is the same for all 4 datasets in Anscombes Quartet (READ)

Answer 3

Mean, Variance, Correlation, Linear Regression Line

Question 4

Are visualizations or text preferred?

Answer 4

Visualizations

Question 5

Qualitative Data

Answer 5

Categorical data (count, group, rank)

Question 6

Nominal Data

Answer 6

Simple data

Question 7

Ordinal Data

Answer 7

Data that can be ranked

Question 8

Proportion

Answer 8

Shows the makeup of each category

Question 9

Quantitative Data

Answer 9

Numerical data

Question 10

Ratio Data

Answer 10

Defines 0 as the absence of something

Question 11

Interval Data

Answer 11

Defines 0 as just another number

Question 12

Discrete Data

Answer 12

Shows only whole numbers

Question 13

Continuous Data

Answer 13

Shows numbers with decimals

Question 14

Distributions

Answer 14

Describe the mean, median, and standard deviation

Question 15

Declarative Visualizations

Answer 15

Used to present findings

Question 16

Exploratory Visualizations

Answer 16

Used to gain insights while interacting with data

Question 17

Best types of charts for qualitative data

Answer 17

Pie Charts
Bar Charts
Word Clouds
Heat Maps
Tree Maps

Question 18

Best types of charts for quantitative data

Answer 18

Line Charts
Filled Geographic Maps
Scatter Plots
Box and Whisker Plots

Question 19

Normal Distribution

Answer 19

Distributions of data that have an equal mean, median and mode with exactly half of all observations falling on both sides of the mean

Question 20

3 main parts of presenting your data (READ)

Answer 20

Be concise
Consider audience and tone
Make sure to revise