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# CSU - ACCT 129 - Study Guide - Final

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CSU - ACCT 129 - Study Guide - Final

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MTH 129 Final Study Guide  “Stressed In-class” ​ ​“Stressed in Reading”   EXAM Wed, Dec. 14th, 2016 12:30-2:30pm     Chapters 12.1; 12.2; 12.4; 12.5; 12.6
12.1 Observational Studies & Experiments

Inferential Statistics

Observational Studies
● Survey questions
Population vs. Sample
● Define population
● Define Sample
○ Problems that may occur with sampling  ● Sampling methods  ○ Stratified random sample
○ Convenience sample
○ Voluntary response sample
● Bias of sampling  ○ Undercoverage
○ Nonresponse
○ Response bias

Experiment
● Walk through steps of experiment  ○ Random selection
○ Treatment group
○ Control group
■ Placebo effect
12.2 Statistical Graphs & Tables

Types of Data
● Categorical data
● Quantitative data

Descriptive Statistics
● Positive correlations
● Negative correlations
● Line of best fit / trend line (slope)

Types of Graphs: (be able to draw & understand)
● Bar graph

● Pictograph

Number of Dogs

Jane     Billy      Peter

Sally      1 dog =

● Lineplot

● Stem-and-leaf plot

● Histogram

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