christjt

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