# Textbook Notes for Sociology 2205A/B at Western University (UWO)

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## Sociology 2205A/B Chapter 5: Chapter 5: Introduction to Inferential Statistics

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The goal of probability sampling is to select cases so that the final sample is representative of the population. We can maximize the chances of a repr

View Document## Sociology 2205A/B Chapter 6: Chapter 6: Estimation Procedures

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Estimators can be selected according to two criteria: bias and efficiency. If an estimator is unbiased, it is probably an accurate estimate of the popu

View Document## Sociology 2205A/B Chapter Notes - Chapter 4: Normal Distribution, Standard Score, Standard Deviation

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A type of frequency polygon that is unimodal (one single mode/peak) The mean, median and mode are all the exact same value. Distances along the horizon

View Document## Sociology 2205A/B Chapter Notes - Chapter 2: Interval Ratio, Mortality Rate, Frequency Distribution

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Percentages and proportions allow for standardizing raw data and making it more understandable and relatable. Percentages are to the base 100 f = frequ

View Document## Sociology 2205A/B Chapter Notes - Chapter 1: Continuous Or Discrete Variable, Numerical Digit, Scientific Theory

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Research: is any process by which information by which information is systematically and carefully gathered for the purpose of answering questions, exa

View Document## Sociology 2205A/B Chapter Notes - Chapter 3: Interval Ratio, Quartile, Central Tendency

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Chapter 3: measures of central tendency and. Mode: the value that occurs most frequently: quick and easy measurement of central tendency, great for wor

View Document## Sociology 2205A/B Chapter Notes - Chapter 2: Cumulative Frequency Analysis, Frequency Distribution

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Percentages and properties supply a frame of reference for reporting research results in the sense that they standardize the raw data: percentages to t

View Document## Sociology 2205A/B Chapter Notes - Chapter 3: Statistical Inference, Quartile, Interquartile Range

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Frequency distributions, graphs, and chart summarize overall shape of distribution of scores in a comprehensive way. Need to show the average or typica

View Document## Sociology 2205A/B Chapter Notes - Chapter 5: Simple Random Sample, Statistical Inference, Sampling Distribution

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Example: we find that the 1st in our population has , the 2nd has , the 3rd has , and the. The population mean is and the standard deviation is . 236:

View Document## Sociology 2205A/B Chapter Notes - Chapter 6: Interval Estimation, Bias Of An Estimator, Statistical Inference

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6. 2 bias and efficiency: estimators can be selected according to two criteria: bias and efficiency, bias a criterion used to select sample statistic f

View Document## Sociology 2205A/B Chapter Notes - Chapter 8: Null Hypothesis, Sampling Distribution, Test Statistic

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