Mathematics

Brent Villegas

22 April, 18:50

The basketball players at Rafael's middle school are selling T-shirts, and he wants to determine the average number of shirts that have been sold. First he surveyed five members of the 7th-grade boys basketball team. Then he surveyed every third basketball player on the boys and girls 6th - through 8th-grade basketball teams. Which sampling technique should produce a more representative sample?

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