To prepare for this Discussion: Review Chapters 6 and 7 of the Frankfort-Nachmias &...

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 SPests you.

By Day 3

Using SPSS:

Take a random sample of 100.

Calculate the 95% confidence interval for the variable.

Calculate a 90% confidence interval.

Take another random sample of 400.

Calculate the 95% confidence interval for the variable.