We will be using these websites in order to calculate different values, in lieu of a calculator. If you have a nice calculator and want to use it, I’m happy to help you learn how – just ask!!
Normal Distribution Calculator: https://www.hackmath.net/en/calculator/normal-distribution
Z-Score Calculator: https://www.easycalculation.com/statistics/percentile-to-z-score.php
For estimating population means
Use this to find t-scores for confidence intervals AND to find p-values involving t-scores: http://stattrek.com/online-calculator/t-distribution.aspx
For Chi-Square Testing