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# Unit 6: Study design

700 possible mastery points

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## About this unit

Every good investigation begins with a good question! Learn how to form questions and gather data to explore those questions. You'll also learn about some investigative techniques, including sampling, survey methods, observational studies, and basic experimental design.

### Practice مشق

- Statistical questionsGet 5 of 7 questions to level up!

### Learn سیکھیے

### Practice مشق

- Identify the population and sampleGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

### Learn سیکھیے

### Practice مشق

- Using probability to make fair decisionsGet 3 of 4 questions to level up!
- Simple random samplesGet 3 of 4 questions to level up!
- Sampling methodsGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn سیکھیے

### Practice مشق

- Types of statistical studiesGet 3 of 4 questions to level up!

### Learn سیکھیے

### Practice مشق

- Experiment designsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

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Level up on all the skills in this unit and collect up to 700 Mastery points!