#Question id: 39687
#Zoology
Consider the following statements regarding population statistics:
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Birth rate and death rate influence population size.
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Immigration increases population density.
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Emigration has no effect on population size.
Correct option:
#Question id: 39688
#Zoology
Assertion (A): Standard deviation gives a better idea of data variability than range.
Reason (R): Standard deviation considers deviation of each observation from the mean.
Choose the correct option:
#Question id: 39689
#Zoology
Assertion (A): Logistic population growth is more realistic in natural ecosystems.
Reason (R): Resources in nature are unlimited.
Correct option:
#Question id: 39690
#Zoology
Match List-I with List-II:
| List-I | List-II |
| A. Mean | 1. Positional average |
| B. Median | 2. Measure of dispersion |
| C. Standard deviation | 3. Arithmetic average |
| D. Histogram | 4. Frequency distribution |
#Question id: 39691
#Zoology
If the standard deviation of a population is zero, it indicates that:
#Question id: 39692
#Zoology
Which parameter is most useful in wildlife population estimation?