Answer:
well first what does it mean
Answer:
Felix Mendelssohn
Explanation:
At two separate times, Felix Mendelssohn composed music for William Shakespeare's play A Midsummer Night's Dream (in German Ein Sommernachtstraum). First in 1826, near the start of his career, he wrote a concert overture (Op.
He used cameras to study animal locomotion
Answer:
D.) They must be representative of the population.
Explanation:
In general a sample collected from a set of naturally distributed data set must also follow the bell curve or natural distribution
In other way round it can be said that sample set must have the same characteristics as that of the main set and hence a sample must be representative of the population.
Option D is correct