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Introduction to Statistics and Data Analysis

STATS 250 Lecture Notes - Lecture 2: Interquartile Range, Quartile, Box Plot
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Stats Lecture 2 Numerical Summaries of Quantitative Data Notation for generic set of data: 1 ,2 ,3,n Where n= # of items in the dataset or sample size Describing the Location/Center Mean--numerical average value R...

Statistics
STATS 250
Brenda Gunderson
STATS 250 Lecture Notes - Lecture 1: Bar Chart, Categorical Variable, Histogram
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Stats Lecture 1 I. Intro: Definitions and Course Goal A. Definitions Statistics: are numbers measured for some purpose Statistics: is a collections of procedures and principles for gather...

Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson
STATS 250- Midterm Exam Guide - Comprehensive Notes for the exam ( 14 pages long!)
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[STATS 250] Comprehensive winter guide including any lecture notes, textbook notes and exam guides.find more resources at oneclass.com Stats Exam 2 ...

Statistics
STATS 250
Brenda Gunderson
STATS 250 Study Guide - Final Guide: Null Hypothesis, Dependent And Independent Variables, Regression Analysis
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ANOVA ● ANOVA = Analysis of Variance, extension of two independent samples POOLED test ● Assumptions ○ Random, independent sample (k = number samples) ○ Each population a normal distribution → N(mean of popul...

Statistics
STATS 250
Brenda Gunderson
STATS 250 Study Guide - Midterm Guide: Dependent And Independent Variables, Bias Of An Estimator, Analysis Of Variance
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Stats Exam 2 Reminders ○ p is unknown ○ p^ will vary. ■ As n increases, the bell curve gets skinnier (smaller variance) ■ p^ has a normal sampling distribution...

Statistics
STATS 250
Brenda Gunderson
STATS 250 Lecture Notes - Lecture 10: Scatter Plot
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Lab 10: Linear Regression Regression Overview:  Regression Analysis: describing and assessing the significance of relationships b/w 2 quantitative variable  Response Variable: “dependent “y”  Exp...

Statistics
STATS 250
Brenda Gunderson
STATS 250 Study Guide - Midterm Guide: Unimodality, Binomial Test, Standard Error
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Stats Review Exam 2 (p.69-169): HW 3-7 Review: • Exam 1 #6, 9, 11 • HW 3-7 • P. 130 (bottom) Try these: • P. 131 (past exam question) Name That Scenario: • Note: yes/no, minority/major...

Statistics
STATS 250
Brenda Gunderson
STATS 250 Midterm: Stats 250 Exam 1
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Summarizing Data Sample statistic Population parameter Variable Categorical (yesno) Can be ordinal (in order) Visual Summaries Bar graph Ordinal if the bar graphs appear in a certain order Pie chart Quantitative (hours sle...

Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson
Statistics
STATS 250
Brenda Gunderson

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