Which of the following correctly describes the difference between paired and ind

Question

Which of the following correctly describes the difference between paired and independent sample data? Independent samples operate based on a known sigma, whereas paired samples may operate with a sample standard deviation. Independent samples are used to address the difference between two separate populations, whereas paired samples involve a matched analysis. Independent samples incorporate a t distribution, whereas paired samples may use the z distribution for approximation. Independent samples always have the same sample size, whereas paired samples may compare groups with different sample sizes.

Explanation / Answer

Independent samples are used to address the difference between two separate populations, whereas paired samples involve a matched analysis.

Option B is correct.

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