article related to confidence intervals. . Using the SPSS software, General Soci

Question

article related to confidence intervals. . Using the SPSS software, General Social Survey dataset and choose a quantative 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. Calculate the 95% confidence interval for the variable 6. Calculate a 90% confidence interval. Post your resuits and an explanation of how different levels of contidence and sample size aftect tne width of the confidence interval. Next, consider the statement. Confidence intervals are underutilized and explain what the implications might be of using or not using confidence intervals Prolide examples based on the results of your data Also, use your research to support your findings ing Resoures and oher schoianly Be sure to support your Main Post and Response Post with reference to the week's Learm evidence in APA Style

Explanation / Answer

It is clear that your data set must have at least 400 observations.

Under the "Select Cases" window, choose "Random sample of cases" option. This will pop up another window captioned as "Sample size". Choose the second option of Exactly ____ cases from the first ____ cases. This will subset the data. Later, you can choose to continue with the procedure in the usual way.

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