IDS 570
Statistics for Management, CRN 36231
Spring 2016
The instructor reserves the right to make changes to the syllabus as needed.
Classes:
Instructor:
Email:
Office Hours:
Course
Website:
Friday 3:00 - 5:45 PM, Douglas Hall 210
Fangfang Wang, Ph.D.
ff

Quick Introduction to R
Fangfang Wang, Fall 2014
1. Download and Install R:
R is free statistical software. One can download it from http:/cran.r-project.org/ which is
the authoritative source of information about R. Its U.S. mirror is at http:/cran.us.r-

IDS 570
Statistics for management
Fangfang Wang
1
Overview of the Course
Basic Statistics: sample, population
Inference
Advanced Statistical Methods
2
What is Statistics about?
Statistics as a science, provides principles
and methodology for designing th

Examining
Distributions
PBS Chapter 1
2009 W.H. Freeman and Company
Objectives
Describing distribution
One data set
Displaying distributions with graphs
Displaying distributions with numbers
Objectives (PBS Chapter 1.1)
Displaying distributions with grap

Examining
Distributions
PBS Chapter 1
2009 W.H. Freeman and Company
Objectives
Describing distribution
One data set
Displaying distributions with graphs
Displaying distributions with numbers
Objectives (PBS Chapter 1.1)
Displaying distributions with grap

The Sampling Distribution of a Sample
Mean
Chapter 4.4
1
The Mean & S.D. of sample mean
1. cfw_X1, X2, . . . , Xn are a Simple Random Sample (SRS) from a
population having mean and standard deviation .
SRS:
= 1 (X1 + . . . + Xn). Then
2. Let X
n
= ,
E(X

Examining Relationships
- Correlation
PBS Chapter 2.2
2009 W.H. Freeman and Company
Stronger
Association?
Two scatterplots of
the same data.
The straight-line
pattern in the lower
plot appears
stronger because
of the surrounding
open space.
The Pearson c

Introduction to
Inference
PSBE Chapters 3.3, 6.1
Toward statistical inference
Case 3.1 Is clothes shopping frustrating?
A market research firm interviews a random sample of 100 adults.
Result: 56% find shopping for clothes frustrating and time-consuming.

Introduction to
Inference
Tests of Significance
PSBE Chapters 6.2 , 6.3
Confidence Intervals and TwoSided Tests
Confidence Intervals and Two-Sided
Tests
A level two-sided significance test rejects a hypothesis H : = exactly
0
0
when the value 0 falls outs