Practice Population And Sample (2.6.2) - Collection of Data

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define population in your own words.
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Think about the entire class vs just a few students.
Question 2.
What is a sample?
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Think of a recipe: you can taste a little to judge the whole dish.
3Question 3.
What defines a population in statistics?
- A subgroup of interest
- All elements under study
- Data collected from surveys
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Look for the term that means totality.
4Question 4.
True or False: Sample surveys always yield better results than Censuses.
- True
- False
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Consider the accuracy and completeness of data.
Question 5.
You are conducting a survey on student stress levels. Describe how you would choose a random sample from your school of 500 students.
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Think about fairness and equal opportunity for each student.
Question 6.
A researcher collected data only from volunteers for a health study. Discuss potential sampling errors that may have occurred.
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Consider how willingness to participate influences the data collected.

4 more questions in this section. Enroll free to practise them all.