Mathematics, 31.10.2019 00:31, rafiamajd4537
John wanted to know about the popularity of a particular movie. he surveyed 20% of the people in 5 different theaters.
biased, voluntary response sample
Answers: 3
Mathematics, 05.11.2019 00:31, de5briz75
Answers: 1
John wanted to know about the popularity of a particular movie. he surveyed 20% of the people in 5 d...
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