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N umer ic
Numeric data refers to data that consists of numerical values or measurements. It provides quantitative information that
can be measured, counted, or calculated.
L ine char ts
hen e come across this type of data, e normally look for trends or lines that re ect numbers. A line or step graph
would be the greatest visual for numerical data.
60
50
No. of cars sold in a Year 40
30
20
10
0
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months
B ar char ts
Using rectangular bars with heights or lengths proportional to the values they represent, a bar chart or bar graph
displays categorical data. Both a vertical and a horizontal bar plot are possible.
10
Favourite Colour
8
6
Children 4
2
0
Red Blue Green Yellow Pink
S tock s
We also come across datasets that are relevant to stocks. Data on the stock market is basically a time series of numerical
values.
C andlestick C har ts
andlestick charts are a popular type of financial chart hich is used to represent the price movements of an asset, such
as stocks, commodities, or currencies, over a specific period of time. hey are idely used in technical analysis to analy e
and predict market trends.
S toryt e l l i ng Throug h D ata 183

