This applet demonstrates drawing numbered pennies from a large sample. The user can change the sample size and the number of samples. Once the pennies have been drawn, the number of the penny and its year is shown. The mean and standard deviation are also displayed. The top plot is of the average ye more
Midterm exam for an economics class at UCLA focusing on game theory. The two-hour exam contains one question on pure game theory and another on an economic application. Solutions to the exam are given here: http://levine.sscnet.ucla.edu/econ201/midterm_solutions2002.pdf.
This classroom activity presents College Algebra students with a ConcepTest and a Question of the Day activity concerning the effect of the proportionality constant, k, on the y-intercept and position of an exponential graph where k>0 and C is an arbitrarily fixed value in f(x)=Ce^(kx).
This collection of calculators, created by Thomas Kirkman of the College of Saint Bendict/Saint Joseph, allows users to perform a number of statistical applications. Each provides background on the procedure and an example. Users can compute descriptive statistics and perform t-tests, Chi-square tes more
This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of two-way ANOVA and demonstrates it with an example on final exam scores. Data sets are given in both SPSS and Minitab format. This is a nice example of variance testing. MacFarland's layout more
This lesson is based on several interesting problems. Each problem has a somewhat unexpected answer; in fact, many people have a hard time accepting experimental results for these problems, as the results may seem counterintuitive. This very difference in expectations and actual results leads to a d more
Created by Intuitor.com, this webpage uses the criminal trials in the US Justice system to illustrate hypothesis testing, type I error, and type II error. An applet allows the user to examine the probability of type I errors and type II errors under various conditions. An applet allows users to visu more