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# All Educational Materials for STAT 2050 at University of Guelph

Statistics II

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##### STAT 2050 Lecture Notes - Lecture 19: Sample Size Determination, Simple Explanation, Vassa Premium

5.5. PREDICTION INTERVAL 85 Remarks: 1.SE(P(Y[Xo)) < SE(Pred(Y[Xo)). 2. At any given value of X, the prediction interval foF Y is wilder than the confidence interval for p(YIXo). Now, you are ask to study the midterm marks...

Statistics
STAT 2050
Zeny Feng
##### STAT 2050 Study Guide - Final Guide: Null Hypothesis, Prediction Interval, Dependent And Independent Variables

ANOVA- Analysis of variance table Linear combination - # of populations, more than 2 H 0 =0 vs H :a0 Assume = =1. 22 i ...

Statistics
STAT 2050
Zeny Feng
##### STAT 2050 Study Guide - Midterm Guide: Independent And Identically Distributed Random Variables, Null Hypothesis

One sample Ttest Welch T one mean, mu and variance are unknown unequal variances, how different are the samples? 1. State the hypothesis: 2 2 1 2 a. H 0 1= v2 H : a= 1 2 1. SE (w 1 )= 2 1+ 2 2. let = 0.05 2 2 ( 1+ 2 ) 3. t...

Statistics
STAT 2050
Zeny Feng
##### STAT 2050 Lecture Notes - Lecture 10: Analysis Of Variance, Linear Combination, Statistical Hypothesis Testing Premium

48 CHAPTER 4. COMPARISONS AMONG SEVERAL POPULATIONS >life.dat=read.table(xxxxxcase_study0501.txt, sep=, header=TRUE) > head(life.dat) LIFETIME DIET 1 35.5 NP 2 35.4 NP 3 34.9 NP 4 34.8 NP 5 33.8 NP 6 33.5 NP > model=aov(LI...

Statistics
STAT 2050
Zeny Feng
##### STAT 2050- Final Exam Guide - Comprehensive Notes for the exam ( 31 pages long!)

[STAT 2050] Comprehensive Fall guide including any lecture notes, textbook notes and exam guides.find more resources at oneclass.com G. Umphrey STAT*2050 Statistics II ...

Statistics
STAT 2050
Zeny Feng

Statistics
STAT 2050
Zeny Feng
##### STAT 2050 Study Guide - Midterm Guide: Street Fighter Alpha 3, Standard Deviation Premium

One Way ANOVA: k = number of groups i = group number; j = number of samples in ith group (group size) Yij follows a normal distribution Assumptions: Normal distribution for Yij Distribution of Yij has common variance and e...

Statistics
STAT 2050
Zeny Feng
##### STAT 2050 Study Guide - Midterm Guide: Type I And Type Ii Errors, Pooled Variance, Confidence Interval Premium

Observational studies do not allow investigators to intervene. They are only allowed to ask questions. Experimental studies allow intervention and to control the subjects to limit bias and confounding factors. It is also r...

Statistics
STAT 2050
Zeny Feng
##### STAT 2050 Lecture Notes - Lecture 19: Vickers Hardness Test, Monospaced Font, Random Effects Model

G. Umphrey STAT*2050 Statistics II Fall 2017 Assignment #4 Note: The graded components will be submitted via Crowdmark. Submi...

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STAT 2050
Zeny Feng

Statistics
STAT 2050
Gary Umphrey

Statistics
STAT 2050
Gary Umphrey

Statistics
STAT 2050
Gary Umphrey

Statistics
STAT 2050
Gary Umphrey

Statistics
STAT 2050
Gary Umphrey
##### STAT 2050 Lecture Notes - Lecture 5: Simple Linear Regression, Independent And Identically Distributed Random Variables

Statistics
STAT 2050
Gary Umphrey
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