Khan Academy videos are a great resource for a better or deeper understanding of statistics and probability concepts. Videos are divided into categories and the web site can be searched for specific topics.
This PowerPoint presentation gives step by step instructions for solving statistics & probability problems using Statcrunch. The presentation is organized by chapter.
Confidence Interval and Hypothesis Testing Resources
This comprehensive document contains the steps that are required to complete a hypothesis test. Includes one sample and two sample tests; estimating a population proportion or a mean (T-stat or Z-Stat); Statcrunch instructions; and making a conclusion.
This summary page includes the following:
- Making a decision to reject or fail to reject the null hypothesis based on the P-Value Method and the Critical Value Method
- Wording the final conclusion for confidence intervals and hypothesis tests
- Finding the confidence level based on the significance level