Page 3 - Demo

Population distribution is:4 6 8 10 12 14 16Normalm = 10, s = 2Sample Datat distribution .Select one random sample of size n = 30 and compute a95 % confidence interval for fi using aDistribution of population:468 10 12 14 16PopulationSimulating Conf idence IntervalsSamplex = 9.995, sx = 2.537, conf idence interval: (9.048, 10.943)Confidence Intervals468 10 12 14 16Total intervals capturing %u03bc: 47 out of 50 (94%)New intervals capturing %u03bc: 47 out of 50 (94%)Quickly selectinterval for each sample. Clear samples Reset everything50 random sample(s) and compute a confidenceGo!Can you smell Parkinson%u2019s Disease?Make your guesses below!??? ??? ??? ??? ??? ?????? ??? ??? ??? ??? ???Yes No Yes No Yes No Yes No Yes No Yes NoYes No Yes No Yes No Yes No Yes No Yes No12345 6789 10 11 120246108121416182022CountColorBrown Red Yellow Green Orange BlueM&M%u2019S, Skittles, Froot LoopsColor Observed Count Expected Count ContributionBrownRedYellowGreenOrangeBlue12118415218.8758.8758.8758.87517.7517.751.10.5090.0862.6780.4260.595fi2 = 5.394Applets for Exploration and ActivitiesUnderstand the difference between the population and the sample. Explore what happens when you select many samples. Learn statistics by doing statistics with classroom-tested activities.Collaborative versions of many applets allow students to actively participate in the classroom%u2014or online. Four applets that help students explore important concepts%u2022 The Idea of Probability %u2022 Simulating Confidence Intervals%u2022 Simulating Sampling Distributions %u2022 Logic of Significance TestingSix interactive applets that support class activities%u2022 Can You Smell Parkinson%u2019s? %u2022 Guess the Correlation%u2022 Hiring Discrimination %u2022 M&M%u2019S%u00ae/Skittles%u00ae/Froot Loops%u00ae%u2022 Sampling Sunflowers %u2022 Old Faithful%u00a9 Bedford, Freeman & Worth Publishers. For review purposes only. Do not distribute.