1. Explain how different levels of confidence and sample size affect the width of the confidence interval.

2. Consider the statement, "Confidence intervals are underutilized" and explain the implications of using or not using confidence intervals. Use the following research article results and use of CI to support your arguements: Tamir, T. T., Techane, M. A., Melkamu, T. D., & Atalell, K. A. (2022). Applied nutritional investigation spatial variation and determinants of stunting among children aged less than 5 y in Ethiopia: A spatial and multilevel analysis of Ethiopian Demographic and Health Survey 2019.Nutrition,103https://doi.org/10.1016/j.nut.2022.111786