# Textbook Notes for STAT211 at University of Waterloo (UW)

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## STAT211 Chapter Notes - Chapter 4: Cluster Sampling, Sample Space, Simple Random Sample

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A common step in all the protocols is random sampling. Random sampling can eliminate bias coming from the act of selecting the subject. In a short time

View Document## STAT211 Chapter Notes - Chapter 9: Null Hypothesis, Normal Distribution, Type I And Type Ii Errors

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Statistical test to verify out hypothesis about the population, using information from the same o. Focus on inferring the population mean using the sam

View Document## STAT211 Chapter Notes - Chapter 8: Confidence Interval, Simple Random Sample, Normal Distribution

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Note: never create ci for a statistic, only for parameters. Point estimate: value of the sample proportion; a single value that is an estimate of a par

View Document## STAT211 Chapter Notes - Chapter 1-2: Confounding, Stratified Sampling, Wart

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Study of statistics can be broadly classified into: descriptive statistics. Inferential statistics (inductive statistics) other judgements based on the

View Document## STAT211 Chapter Notes - Chapter 6: Probability Density Function, Probability Distribution, Random Variable

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Continuous random variable can take infinite number of values, corresponding to all values in an interval o. Ex. take on any value in the interval (0,1

View Document## STAT211 Chapter Notes - Chapter 3: Unimodality, Box Plot, Pie Chart

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Numeral values with associated measurement units to provide meaning. Relative frequency of each category is represented by the area of the pie segment.

View Document## STAT211 Chapter Notes - Chapter 15: Dependent And Independent Variables, Regression Analysis, Observational Error

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Regression analysis: explores possible relationships between a continuous response variable and one or more explanatory variables. May use explanatory

View Document## STAT211 Chapter Notes - Chapter 3: 5,6,7,8, Quartile, Standard Deviation

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Three common ways to measure the center of the distribution are: Sample mean is not the same of the population mean. The middle value with half of the

View Document## STAT211 Chapter Notes - Chapter 5: P16, Penny Stock, Reinforcement

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C5: discrete random variables and discrete probability distributions. Random variables: take on values based on the outcome of a chance process. Random

View Document## STAT 211 Chapter 3: Descriptive Statistics

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Descriptive statistics plots and numerical summaries are used to describe a data set. Plots for categorical variables: categorical variable, aka qualit

View Document## STAT211 Chapter Notes - Chapter 1: Statistical Inference, Descriptive Statistics

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