Review Chapters 6 and 7 of the Frankfort-Nachmias & Leon-Guerrero text and in Chapter 7, p

To prepare for this Discussion:

  • Review Chapters 6 and 7 of the Frankfort-Nachmias & Leon-Guerrero text and in Chapter 7, p. 188, consider Hispanic migration and earnings and focus on how different levels of confidence and sample size work together.
  • Review Magnusson’s web blog found in the Learning Resources to further your visualization and understanding of confidence intervals.
  • Use the Course Guide and Assignment Help found in this week’s Learning Resources to search for a quantitative article related to confidence intervals.
  • Using the SPSS software, General Social Survey dataset and choose a quantitative variable that interests you.

By Day 3

Using SPSS:

  1. Take a random sample of 100.
  2. Calculate the 95% confidence interval for the variable. 
  3. Calculate a 90% confidence interval.
  4. Take another random sample of 400.
  5. Calculate the 95% confidence interval for the variable. 
  6. Calculate a 90% confidence interval.

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