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Which of the following is not an example of a parameter ? |
Average income of all individuals in a state Mean height of all the students of a school Standard Deviation of heights of 1000 trees in a city Mean score of all the students appeared in an entrance examination |
Standard Deviation of heights of 1000 trees in a city |
The correct answer is Option (3) → Standard Deviation of heights of 1000 trees in a city If these 1000 trees are considered the population, then it can be parameter, but generally, such data is treated as sample. |
