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Sampling

Question 1:
Frankfort-Nachmias and Leon-Guerrero (2018) noted that the precision of a confidence interval can be enhanced by increasing the sample size.
Write a 275- to 300-word response to the following:
    How does sample size affect validity of a study?
    What factors determine the size of an ideal sample?
    How is the sample size calculated?
Reference: Frankfort-Nachmias, C., & Leon-Guerrero, A. (2018). Social statistics for a diverse society (8th ed.). Thousand Oaks, CA: SAGE Publications, Inc.

Question 2:
Write a 275 – to 300-word response to the following:
    Select one of the sampling designs introduced in this weeks readings.
    Give a brief introduction of the sampling design and explain where you might apply it most successfully.

The reading is Chapter 6:  Frankfort-Nachmias, C., & Leon-Guerrero, A. (2018). Social statistics for a diverse society (8th ed.). Thousand Oaks, CA: SAGE Publications, Inc.

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