CHAPTER 1 The Nature of Probability and StatisticsStat 200 – Elementary StatisticsIntroductionSection 1.1 Descriptive and Inferential StatisticsStat 200 – Elementary Statistics IntroductionStatistics is Section 1.1 Descriptive and Inferential StatisticsVariable DataData SetDescriptive StatisticsInferential StatisticsProbabilityPopulationCensusSampleHypothesis TestingStudent NotesCHAPTER 1 The Nature of Probability and Statistics1.2 Variables and Types of DataDATAQualitativeQuantitativeDiscreteContinuousLevels of MeasurementsNominalOrdinalIntervalRatio1.3 Data Collection and Sampling TechniquesSampling MethodsRandomSystematicStratifiedClusteredConvenience1.4 Observational and Experimental StudiesObservational StudyExperimental StudyQuasi-experimental studyIndependent VariableDependent VariableGroupsTreatment GroupControl GroupHawthorne EffectConfounding Variable1.5 Uses and Misuses of Statistics1. 8.2. 9.3. 10.4. 11.5. 12.6. 13.7.1.6 Computers and CalculatorsTI-83+ and
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