# Textbook Notes for SOAN 3120 at University of Guelph (U OF G)

U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 1: Exploratory Data Analysis, Time Series

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Data includes information about some group of individuals (usually people, but can also be animals or things) Categorical variables: places and individ
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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 3: Abbreviation, Standard Scale, Standard Deviation

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A density curve is a curve that: o. Is always on or above the horizontal axis: has area exactly 1 underneath it. A density curve describes the overall
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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 15: Central Limit Theorem, Sampling Distribution

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A parameter is a number that describes the population. In practice, the value of a parameter is not known because we can rarely examine the entire popu
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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 18: Statistical Inference, Inference, Confidence Interval

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Any confidence interval or significance test can be trusted only under specific conditions. If (cid:455)ou(cid:396) data do(cid:374)"t (cid:272)o(cid:3
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U OF GSOAN 3120Michelle DumasWinter

## SOAN 3120 Chapter Notes - Chapter 2: Standard Deviation, Interquartile Range, Box Plot

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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 5: Dependent And Independent Variables, Standard Deviation, Scatter Plot

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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 16: Funen, Normal Distribution

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Statistical inference provides methods for drawing conclusions about a population from sample data: uses the language of probability to say how trustwo
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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 5: Standard Deviation, Dependent And Independent Variables, Scatter Plot

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A regression line is a straight line that describes how a response variable y changes as an explanatory variable x changes. We often use a regression l
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U OF GSOAN 3120Michelle DumasFall

## SOAN 3120 Chapter Notes -Design Of Experiments, Test Statistic, Sample Space

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Individuals: the objects described by a set of data; may be people, animals or things. A variable can take different values for different individuals.
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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 4: Standard Deviation, Txe, Dependent And Independent Variables

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A response variable measures an outcome of a study o. An explanatory variable may explain or influence changes in a response variable o. The idea behin
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U OF GSOAN 3120Michelle DumasWinter

## SOAN 3120 Chapter Notes - Chapter 5: Standard Deviation, Scatter Plot, One Unit

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U OF GSOAN 3120Andrew HathawayFall

## SOAN 3120 Chapter Notes - Chapter 14: Confidence Interval, Sampling Distribution, Standard Deviation

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Provides methods for drawing conclusions about a population from sample data. Simple conditions for inference about a mean: or other practical difficul
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