Indicate whether each of the following constitutes data collected from a population or a sample. a. A group of 25 patients sclected to test a new drug b. Total items produced on a machine for each...

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Extracted text: Indicate whether each of the following constitutes data collected from a population or a sample. a. A group of 25 patients sclected to test a new drug b. Total items produced on a machine for each year from 2001 to 2015 c. Yearly expenditures on clothes for 50 persons d. Number of houses sold by each of the 10 employees of a real estate agency during 2015 6.