Ogives can be helpful in locating graphically the

__________ does not mean causation.  It only means co variation.

Which is NOT an economic activity ?

In the __________ every individual has an equal chance of being selected and the individuals who are selected are just like the ones who are not selected.

In ___________ the data are classified with reference to geographical locations such as countries states cities districts etc.

___________ comprises a group of equi spaced and equi width rectangular bars for each class or category of data.

___________, the most widely used measure of dispersion, is based on all values.

__________ are usually used when there is paucity of time, money and man power resources and the information is easily available.

__________ is the root of all economic problems.