NVCC Marketing Research Determining Sample Size Heart Attack Risk Discussion

Question Description

1. Find any study that you can find online on any topic. Share a link to the study here. The study needs to report sample size, confidence level, and confidence interval for at least one finding. Report the sample size, confidence level, and confidence interval in your post.

2. Modify the confidence interval and confidence level that was used in the study 3 different ways and report the new required sample sizes for the study. Here’s the link to the sample size calculator: https://www.surveysystem.com/sscalc.htm

**For example, if your study had a sample size of 375 respondents, a confidence level of 95%, and a confidence interval of +/-4%. Change the CL to 99% and the CI to +/- 3%. Note the changes in sample size. Then, change the CL to 99% and the CI to +/-5%, and then change the CL to 95% and keep a +/5% CI.**

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