Collecting and Interpreting Data Question
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Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A student is trying to find out the general student opinion of a school's English course. Which of the following samples is likely to be the least biased?
- 20 students currently taking English
- 20 students who are not taking English
- 20 students fill out a voluntary response form
- 20 students selected at random