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## MTH 129 Study Guide Exam 1

by: Sydney McCourt

6

0

6

# MTH 129 Study Guide Exam 1 MTH 129

Marketplace > Cleveland State University > MTH 129 > MTH 129 Study Guide Exam 1
Sydney McCourt
CSU
GPA 4.0

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Chapter 12.1-12.6 in-class / book notes
COURSE
Math Elementry Sch Teacher III
PROF.
TYPE
Study Guide
PAGES
6
WORDS
CONCEPTS
mathematical reasoning for elementary teachers
KARMA
50 ?

## Popular in Department

This 6 page Study Guide was uploaded by Sydney McCourt on Thursday September 15, 2016. The Study Guide belongs to MTH 129 at Cleveland State University taught by Adams,Kathleen A in Fall 2016. Since its upload, it has received 6 views.

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Date Created: 09/15/16
Study Guide Midterm #1 MTH 129  Chapters 12.1; 12.2; 12.4; 12.5; 12.6    Emphasized in class  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              ● Stem­and­leaf plot            ● Histogram                                ● Circle graph        ● Line graph                                            ● Scatterplots                       12.4 Mode, Median, & Mode    Define Terms:  ● Mode  ● Median  ● Mean  ○ Balance point  ● Outlier    12.5 Measuring Spread    Standards for Measuring Spread: shape & important features to compare/ describe spread    Define Terms:  ● Range  ● Percentiles  ● Box­and­Whisker Plots    ○ Know what is needed to graph, how to graph, and how to compare graphs    ● 5 Number Summary  ○ Min (lower extreme)   ○ Q2 (lower quartile) 25%  ○ Median 50%  ○ Q3 (upper quartile) 75%  ○ Max (upper extreme)  ● Interquartile Range= 1.5(IQR)   ○ Understand relationship with outliers     Standard Deviation  ● Deviation = score x from mean is x­mean  ● Standard deviations  ○ Steps for calculation    Normal Distribution  ● 68%­95%­99.7% rule   ● Symmetric   ● Skewed (right/left)

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