Topic: CH-3: Organisation of Data

The value 49 appears five times in the raw data of marks of 100 students. What is the ‘frequency’ of the observation 49?

In the context of a frequency distribution, what would happen if equal class intervals are used for income data that ranges from nearly zero to hundreds of crores?

When collected data on characteristics like height, weight, age, income and marks are grouped into classes, it is known as:

In the frequency distribution of marks of 100 students (0–100), which class had the LOWEST frequency?

A frequency distribution of incomes of 550 employees was made using inclusive class intervals 800–899, 900–999, etc. What is the gap between consecutive class intervals?

In the Census 2001 of India, approximately how many persons were contacted?

The value 40 appears THREE times in the raw marks data. In which class interval does it get tallied?

The pin-code system used by India Post for sorting letters is an example of:

A variable that can take ANY numerical value — including integers, fractions, and irrational numbers — is called:

Frequency expressed as a proportion or percentage of total frequency is known as: