Collection of D...

An enquiry in which each unit of the universe is studied is called _______.

Which of the following is the method of Unrestricted random sampling?

The first census of free India was conducted in _____.

Sampling in which every item of the population has an equal and independent chance of being selected is called

Which sampling is also known as Judgment sampling

Cluster sampling means

Sampling scheme where the units constituting the sample are selected at regular interval after selecting the very first unit at random with equal chance is called

Under stratified sampling population is divided into a number of sub-populations is called

Which of the following is the difference between primary and secondary data?

The law based on theory of probability is