Purpose of Data Collection
What is the primary purpose of collecting data in economics?
Topic: NCERT Books
Pilot Survey Definition
A try-out of the questionnaire with a small group before the actual survey is conducted is known as:
Publisher of Census Demographic Data
Who publishes the demographic data collected during the Census of India?
Judgment-Based Sampling Type
When an investigator selects samples from a population based on his own judgment or convenience, it is called:
Factors Determining Data Collection Choice
The choice of source of data and mode of data collection depends on:
Example of Continuous Variable
Which of the following is an example of a CONTINUOUS variable?
Loss of Information in Classification
The inherent shortcoming of classifying data as a frequency distribution — where the details of raw data are lost — is called:
Correct Statement About Data Classification
Which of the following statements about classifying data is CORRECT?
Reading Bivariate Table Cell Value
In a bivariate frequency distribution table of sales and advertisement expenditure of 20 firms, how many firms had sales between Rs 135–145 lakh AND advertisement expenditure between Rs 64–66 thousand?
Principle of Class Formation
According to the Recap section, classes should be formed in such a way that the class mark of each class comes as close as possible to: