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Mathos
01/03
Question 1: A school wants to estimate the average number of hours students sleep per night. Which method is a simple random sample (SRS) of 50 students?
Question 2: A scientist records people’s exercise habits and their blood pressure but does not assign anyone to exercise more or less. This is best described as:
Question 3: A school surveys only students who attend an after-school tutoring program to estimate the average math grade for the whole school. What type of bias is most likely?
StatisticsBASIC

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Experimental Design Basics Quiz with Answers