Question 1

What is data?

Accepted Answer

Data is a collection of numbers gathered to give some specific information. In mathematics and statistics, it represents raw facts and figures that can be organized, analyzed, and interpreted to understand patterns or draw conclusions.

Question 2

What does a tally mark of 'HH |||' represent?

Accepted Answer

A tally mark of 'HH' represents a group of 5, and '|||' represents 3 more. Therefore, 'HH |||' represents a total count of 5 + 3 = 8.

Question 3

In a pictograph, if a symbol represents 10 books, what do 4 symbols represent?

Accepted Answer

Since 1 symbol represents 10 books, 4 symbols will represent 4 multiplied by 10, which equals 40 books.

Question 4

Which of the following is best suited for comparing parts of a whole?

Accepted Answer

While bar graphs and pictographs compare quantities, pictographs use symbols to represent data visually, making parts or counts easily comparable at a glance.

Question 5

What is the numerical representation of raw data called when organized in rows and columns?

Accepted Answer

When raw data is organized into a structured table containing rows and columns, it is referred to as a tabulated form or a data table.

Data Handling — NCERT Class 6 Mathematics Important Questions & Revision Notes