Topic: NCERT Books

In a frequency polygon, frequencies are always plotted against:

Frequency density is calculated as:

If classes in a frequency distribution are not continuous, what must be done before drawing a histogram?

Which part of a table is assigned for identification purpose and distinguishes one table from another?

A pie diagram is also called:

“Width of rectangles in a histogram should essentially be equal.” This statement is:

Diagrams are _________ accurate but _________ effective than tables in presenting data.

For large quantity of data, which form of presentation is most suitable?

Which of the following variables can be represented by bar diagrams but NOT by histograms?

The designations of the rows in a table are called: