Data Literacy

Question 1

Good graphs have (line graphs)

Answer 1

1. appropriate title
2. labels for x and y axis
3. appropriate scaling
4. legend

Question 2

Line Graph

Answer 2

used for quantitative data that changes over time

Question 3

Scatter Plot

Answer 3

• good for large data sets that aren’t dependent on time.
• they attempt to show a relationship between two variables (x and y axes)
• oftentimes, a direct relationship is made
• a trendline is added to the plot

Question 4

Bar Graph

Answer 4

• good choice when comparing groups of data
• sometimes the x-axis is not linear in nature

Question 5

Pie Chart

Answer 5

• good choice for categorical data whose total adds up to a value that is meaningful in some way
• if you want the viewer to focus on the proportionality of the groups (against each other), a bar graph would be better