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s_m1_handouts

# s_m1_handouts - Rev F07 STA 2023 Module 1 The Nature of...

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Rev. F07 http://faculty.valenciacc.edu/ashaw/ 1 Rev.F07 1 STA 2023 Module 1 The Nature of Statistics Rev.F07 2 Learning Objectives 6QPO DPNQMFUJOH UIJT NPEVMF± ZPV TIPVME CF BCMF UP² 1. Classify a statistical study as either descriptive or inferential. 2. Identify the population and the sample in an inferential study. 3. Explain the difference between an observational study and a designed experiment. 4. Classify a statistical study as either an observational study or a designed experiment. 5. Explain what is meant by a representative sample. 6. Describe simple random sampling. 7. Use a table of random numbers to obtain a simple random sample. ht p:/ faculty. valenciacc . edu/ashaw/ Click link to download other modules. Rev.F07 3 Learning Objectives (cont.) 8. Describe systematic random sampling, cluster sampling, and stratified sampling. 9. State the three basic principles of experimental design. 10. Identify the treatment group and control group in a study. 11. Identify the experimental units, response variable, factor(s), levels of each factor, and treatments in a designed experiment. 12. Distinguish between a completely randomized design and a randomized block design. ht p:/ faculty. valenciacc . edu/ashaw/ Click link to download other modules.

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Rev. F07 http://faculty.valenciacc.edu/ashaw/ 3 Rev.F07 7 Data Tables • The following data table clearly shows the context of the data presented: • Notice that this data table tells us the What (column titles) and Who (row titles) for these data. ht p:/ faculty.valenciacc.edu/ashaw/ Click link to download other modules. Rev.F07 8 Who • The Who of the data tells us the individual cases about which (or whom) we have collected data. – Individuals who answer a survey are called

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s_m1_handouts - Rev F07 STA 2023 Module 1 The Nature of...

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