CHAPTER 1 The Nature of Probability and Statistics Student Notes Stat 200 Elementary Statistics Introduction Statistics is Section 1 1 Descriptive and Inferential Statistics Variable Data Data Set Descriptive Statistics Inferential Statistics Probability Population Census Sample Hypothesis Testing 1 2 Variables and Types of Data DATA Qualitative Quantitative Discrete Continuous Levels of Measurements Nominal Ordinal Interval Ratio 1 3 Data Collection and Sampling Techniques Sampling Methods Random Systematic Stratified Clustered Convenience 1 4 Observational and Experimental Studies Observational Study Experimental Study Quasi experimental study Independent Variable Dependent Variable Groups Treatment Group Control Group Hawthorne Effect Confounding Variable 1 5 Uses and Misuses of Statistics 1 8 2 9 3 10 4 11 5 12 6 13 7 1 6 Computers and Calculators TI 83 and Excel
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