Answer:
cccccccccccccccccccccccccccccchope i wzs right have a awsome dayyy
Explanation:
Hoese all mad in the song
Explanation:
A mnemonic device is a sentence that helps us to memorize a string of words. For example, music students use "Every Good Boy Does Fine" to remember the order of notes on the treble clef. (E, G, B, D, F).
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
