Solve the problem.A method of sampling in which the population is broken up into categories and the members of the sample are chosen randomly from within some group of randomly selected categories is called

A. quota sampling.
B. randomized controlled sampling.
C. simple random sampling.
D. stratified sampling.
E. none of these


Answer: D

Mathematics

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A. -16 B. -15 C. 16 D. 5

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A. $3939.13; $56,023.13 B. $4123.32; $56,207.32 C. $3689.28; $55,773.28 D. $3906.30; $55,990.30

Mathematics