Test Your Primary Research Skills

Number that says how many of something there are

Number that says how many sets of something there are

Number that is a positive integer

None of the above

The values / observations are in increasing order

The values / observations belonging to it can be ranked

The values / observations are in an arithmetic progression

None of the above

Primary Source

Secondary Source

Biased methodology

Correlation does not imply causation

Not considering other related factors

All of the above