Data Analysis-graphs Flashcards
1
Q
what is descriptive statistics
A
ways of representing data
2
Q
when do we use a bar chart
A
when data is divided into categories- discrete data
3
Q
what are the types of graphs
A
- tables
- bar charts
- scatter grams
- line graphs
4
Q
what are histograms
A
bar charts but bars touch each other to show the data is continuous and not discrete
5
Q
what are line graphs
A
represent continuous data and use pints connected by lines to show how something changes in value over time
6
Q
what are scattergrams
A
show associations between variables