options(digits=9)
getwd() # to get the address of the directory where every calculation done.
setwd("C:\stat3025q")
save.image()
help()
help(plot)
q() # to quit R
2 + 2
12 * 3 - 10/2 + sqrt(16)
3^2
1:10
2 * (1:15)
(1:10) + (10:1)
(1:4)^2
s
MTH1300A,B STATISTICS I Fall 2016
Take Home Exam: due on October 18th
Use the software R to solve the following problems from the Activity Packett. This counts for
10% of your final grade.
1. Activity 3.
2. Activity 7.
3. Activity 9.
4. Activity 12.
5. Ac
Topic 6. Continuous Random
Variables
Cyr Emile MLAN, Ph.D.
[email protected]
Continuous Random Variables
p. 1/23
Continuous Random Variables
A random variable is continuous if the values it can assumed cannot
be enumerated (can be represented by an inte
Discrete Random Variables and
Their Probability Distribution:
Part I
Cyr Emile MLAN, Ph.D.
[email protected]
Discrete Random Variable: Part I
p. 1/36
Contents
Sample Space and Events
Probability of an Event
Law of Probability
Equal Likely Outcomes
Count
Topic 10. Tests of Hypotheses
Cyr Emile MLAN, Ph.D.
[email protected]
Continuous Random Variables
p. 1/47
Introduction
In the previous lecture notes, we were concerned with
estimating an unknown parameter, that is, learning
about the location of an unkn
Topic 7. Distributions of
Sampling Statistics
Cyr Emile MLAN, Ph.D.
[email protected]
Continuous Random Variables
p. 1/41
Introduction
The goal of this chapter is to learn about the
distributions of statistics such as the sample mean so
that our conclus
Topic 2. Descriptive Statistics:
Part II
Cyr Emile MLAN, Ph.D.
[email protected]
Descriptive Statistics
p. 1/43
Introduction
Text Reference: Elementary Statistics, Chapter 2.
Reading Assignment: Sections 2.1-2.5, September
12-September 14
It is often
Chapter 1. INTRODUCTION TO
STATISTICS
Cyr Emile MLAN, Ph.D.
[email protected]
Introduction to statistics
p. 1/44
What is Data?
Indeed the world is becoming quantitative. Large and
rich datasets are collected every day for both level of
government as wel
R version 3.3.1 (2016-06-21) - "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin13.4.0 (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it unde
R version 3.3.1 (2016-06-21) - "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin13.4.0 (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it unde
Predictive modelingis a commonly used statistical technique to predict future behavior.
Predictivemodelingsolutionsareaformofdataminingtechnologythatworksbyanalyzing
historicalandcurrentdataandgeneratingamodeltohelppredictfutureoutcomes.Inpredictive
model
SOME CLASS ACTIVITIES
Statistics, Data, and Statistical Thinking
Activity 1
Pollsters regularly conduct opinion polls to determine the popularity rating of the
current President. Suppose a poll is to be conducted tomorrow in which, 2,000
individuals will
Topic 4. Probability: Part I
Cyr Emile MLAN, Ph.D.
[email protected]
p. 1/54
Contents
Sample Space and Events
Probability of an Event
Law of Probability
Equal Likely Outcomes
Counting Rules
Conditional Probability and Independence
Tree Diagram
Rules of
Public Opinion and
Political Socialization
Changes in Public Opinion
Opinion polls fluctuate
greatly over time.
To the extent that
contemporary politicians live
by the polls, it is also true
that their political power can
evaporate quickly.
Definitions
Pu