RMU STAT2110 - Week 7

Here are some resources that could be useful.

Here's a table that compares the different ways of describing a hypothesis test:

Some class notes:

• Introduction to hypothesis tests
• Using the t distribution (confidence intervals and hypothesis tests)
• Critical values and the p-method

• Type I and type II errors
  • Null and alternative hypothesis (video)
  • Courtroom analogy (video)
  • Type I error (video)
  • Type II error (video)
• Rejecting the null hypothesis
  • Rejection analogies (video)
  • Not rejecting the null (video)
  • Rejecting the null (video)
• Hypothesis test of a proportion
  • Introduction (video)
  • StatCrunch solution (video)
  • Excel solution (video)
  • Interpretation (video)
• Hypothesis test of a proportion (video)
• Hypothesis test of a mean
  • Introduction (video)
  • Excel solution (video)
  • StatCrunch solution (video)
• Hypothesis test of a mean
  • Introduction (video)
  • Excel solution (video)
  • StatCrunch solution (video)
• Hypothesis test of a mean (the book uses invalid data!!!)
  • Introduction - why this is an invalid dataset (video)
  • StatCrunch solution (video)
  • Excel solution (video)

• A hypothesis test recipe
  • Part 1
  • Part 2
• Calculating critical values
  • Using Excel (normal and t)
  • Using tables (from StatSoft)
  • Using OpenOffice Calc (a free alternative to Excel), part 1
  • Using OpenOffice Calc (a free alternative to Excel), part 2

From Khan Academy (each section has multiple lecture videos and practice exercises)

• Probability and Statistics
  • Hypothesis Tests

From Campusmath.com (each section has multiple videos)

• High School - Statistics
  • Testing the Differences in Means, Variances and Proportions
  • Hypothesis Tests (skip all of the chi-square videos)