A statistical distribution describes the numbers of times each possible outcome occurs in a sample. The values of a random variable can vary with each repetition ...SkiptomaincontentSidepanelCoursesProgramsHelpGettingStartedDiscussionForumsHelpCenter&FAQLoginorSignupCoursesProgramsHelpGettingStartedDiscussionForumsHelpCenter&FAQMA121:IntroductiontoStatisticsSectionsCourseIntroductionUnit1:StatisticsandDataUnit2:ElementsofProbabilityandRandomVariablesUnit3:SamplingDistributionsUnit4:EstimationwithConfidenceIntervalsUnit5:HypothesisTestUnit6:LinearRegressionStudyGuideCourseFeedbackSurveyCertificateFinalExamSaylorDirectCreditResourcesActivitiesQuizzesHomeAboutSaylorAcademyBlogCollegeCreditPartnersLoginorSignuptotrackyourcourseprogress,gainaccesstofinalexams,andgetafreecertificateofcompletion!CourseIntroductionTime:93hoursCollegeCreditRecommendedFreeCertificateIfyouinvestinfinancialmarkets,youmaywanttopredictthepriceofastockinsixmonthsfromnowonthebasisofcompanyperformancemeasuresandothereconomicfactors.Asacollegestudent,youmaybeinterestedinknowingthedependenceofthemeanstartingsalaryofacollegegraduate,basedonyourGPA.Thesearejustsomeexamplesthathighlighthowstatisticsareusedinourmodernsociety.Tofigureoutthedesiredinformationforeachexample,youneeddatatoanalyze.Thepurposeofthiscourseistointroduceyoutothesubjectofstatisticsasascienceofdata.Thereisdataaboundinthisinformationage;howtoextractusefulknowledgeandgainasoundunderstandingofcomplexdatasetshasbeenmoreofachallenge.Inthiscourse,wewillfocusonthefundamentalsofstatistics,whichmaybebroadlydescribedasthetechniquestocollect,clarify,summarize,organize,analyze,andinterpretnumericalinformation.Thiscoursewillbeginwithabriefoverviewofthedisciplineofstatisticsandwillthenquicklyfocusondescriptivestatistics,introducinggraphicalmethodsofdescribingdata.Youwilllearnaboutcombinatorialprobabilityandrandomdistributions,thelatterofwhichservesasthefoundationforstatisticalinference. Onthesideofinference,wewillfocusonbothestimationandhypothesist