christjt

statistics education teaching math ap regression linear mathematics data normal probability z-scores inference model two hypothesis association testing variables curve correlation geometric distribution means categorical tables stat contingency way rescaling distributions shifting residuals r-squared binomial lessons plots re-expressed scatter y-intercept slope interpret lesson t-test coefficient sampling proportions random probabilities describing homework surveys randomization ztest z-test tests matched pair slopes learning chi-squared mutually venn diagram venn addition exclusive counting 2010 statistics education teaching simulations expected value review designing experiments expected value standard deviation confidence inferenece t-tests intervals hypothesis testing type i ii alpha beta power secondary