If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur
a bi-modal distribution
a $T$-shaped curve
a skewed curve
a normal distribution.
What are the factors affecting population growth ?
Periodic departure and return of an individual in a population is known as
The declining phase of a population occurs when
If birth rate is $100 ,$ death rate is $10$ and number of individuals in population group is $1000 ,$ then what will be the percentage of natural growth rate?
Human population growth curve of today is