StatisticsFall 2018 |

Next Class |

Materials for the CourseIntroduction - OutlineNo Class on September 18thRandom Variables and Probability -- Classical View Simple problems for Classical probabilityTry the online integrator by WolframFor the Negative Exponential pdftry typing in -- integrate 2e^(-2x) from 0 to 10 You should get 1 as the answer (you can even cut and paste this one) Show that the median for this pdf is about 0.3465 and the mean is 0.5 MathAlly - Short Video (40+ MB)This is the video I promised you showing how tointegrate the Negative Exponential pdf in MathAlly Random Variables and Probability -- Modern ViewProbability Distributions -- DiscreteProbability Distributions -- Continuouschi-square with 4 degrees of freedomcut and paste the following into Wolfram Alpha: integrate (0.25)*(x^(4/2-1))*(exp(-x/2)) from 0 to 30 plot (0.25)*(x^(4/2-1))*(exp(-x/2)) from 0 to 15 Use Wolfram to find P[X<3.5] assuming X~Chi-Sq(4) The answer is a little more that P[X<3.5] = 0.522 Some Exercises (October 23)More Exercises (October 30)--------------------------------------------------------------------------Final Exam Tuesday January 8, 2019 4:20 pm - 5:50 PM E410 Review QuestionsMean and VariancesExcel file showing an example of histogram and using the histogram to compute the sample average and sample varianceThe Normal DistributionThe Central Limit Theorem and Its UsesVideo on N-P Testing - Testing the Fairness of a Coin(MP4)Covariance and Correlation Students may bring their smart phones and use calculatorsno laptop, notebook, or notepad computers can be used ------------------------------------------------------------- |