Question

what is a chart ? why are charts useful?​

Answer 1

Answer:

chart is made of samosa aur allu

Explanation:

and its useful because it has yoummy flavour with chilli powder ummm..yum

Answer 2

Answer:

A chart is a graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart". A chart can represent tabular numeric data, functions or some kinds of quality structure and provides different info..

Charts are often used to ease understanding of large quantities of data and the relationships between parts of the data. Charts can usually be read more quickly than the raw data. Certain types of charts are more useful for presenting a given data set than others.

Here a pic of pie chart