• What is statistical inference?
  • Why must we use samples?
  • Why do we need to conduct hypothesis tests?
  • What is hypothesis testing?
  • Null hypothesis
  • Alternative hypothesis
  • Rejecting the null hypothesis
  • One- vs Two-tailed hypothesis tests
  • Choosing between one- and two-tailed tests
  • What are p-values?
  • Significance level (?)
  • Types of errors
  • Confidence levels vs significance levels
  • Performing hypothesis tests
  • p-value controversy
  • When to use a t-test
  • t-value
  • t-distribution
  • t-distributions
  • Slot machine observed ”Return to Player”
  • Are slot machine payouts within tolerance?
  • Preform a t-test on RTP data using R
  • Two-sample t-test
  • When to use a z-test
  • Conducting hypothesis tests using z-scores
  • When to use a 2 test
  • Education and Brexit vote
  • Brexit vote breakdown
  • 2 value
  • 2 distributions
  • Are education and Brexit vote related?
  • When to use a F-test
  • Conducting hypothesis tests using F-values
  • F-distributions
  • Height distribution by sex
  • Does height variation differ by sex?
  • When to use analysis of variance (ANOVA)
  • Determining the F-value
  • Are all diets the same?
  • All diets are apparently not the same
  • Normality hypothesis tests
  • Statistically significant treatments?
  • What is statistical power?
  • Calculating statistical power
  • Statistical power curve
  • Improving statistical power of hypothesis tests