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How confidence and sample size work together

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Reference no: EM132325155

Assignment: 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.

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.

Reference no: EM132325155

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