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
In the first week, find the harmonics with the thumb and then press the string slowly and carefully, to see if you can press it down and keep the tune, just for a minute or so at a time. Try it on different notes if you like. Keep your hand in a fist so your thumb and forefinger looks like a snail's shell. This will help too apply pressure without much effort.
Hope this helped!
Answer:
Explanation:
Commercial art includes advertising, graphic design, branding, logos and book illustrations. Fine art includes paintings, sculptures, printmaking, photography, installation, multi-media, sound art, and performance.
