Lisa is performing a study regarding the average height of roses grown using an organic fertilizer. Her population consists of the roses at a commercial greenhouse. Which of the following would be a random sample she could measure?
Maria wants to determine which student is favored for president of the student council. Which of the following samples are biased and not random? Select all that apply.
Kareem wants to find the number of hours the average sixth-grader at his school practices an instrument each week. Which is the best way Kareem can get a representative sample?
To determine how a city’s residents feel about building a new youth center, a group considers surveying 50 random children at a local elementary school. Why would this result in a biased sample? Select three answers.
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