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6. Joy wants to get some data on the wind speed on top of her apartment building. What is the best thing that Joy should do to get the most reliable and valid data? A. Interview the people in her apartment building. B. Set up a windmill on top of her apartment building. C. Put an anemometer on top of her apartment building. D. Count the number of birds that fly past her apartment building. 7. It is the first step in statistical research? A. Collection of Data C. Drawing B. Sampling D. Organizing 8. Mr. Cruz wanted to find the BMI of his class. What kind of data collection did he use? A. Experiments C. Questionnaire B. Observation D. Survey 9. Geraldine wanted to find whether a die was fair or biased. She tosses the die ten times and recorded the result? What kind of data collection did she use? A. Experiments C. Questionnaire B. Interview D. Survey 10. The Barangay Officials want to find the number of families who are affected by the pandemic. Which data collection method is not applicable in this situation? A. Experiments C. Questionnaire B. Interview D. Survey
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