STAT 201
Binomial & Master subtitle style
Click to editPoisson Distribution
9/26/11
Binomialdistribution Properties:
1.
2.
3.
4.
Experiment consist of n identical &
independent trials
Each trial has
Announcements
Homework 1
!
!
STAT 201
Introduction to Business Statistics
!
!
!
Class 7: Discrete Probability Distributions  Part 1
Random Variables
Discrete Probability Distributions
Expected Value
Sampling Distributions
STAT201
Click to edit Master subtitle style
9/26/11
Example 1. Sample Mean
When its ovens are working properly, the
time required to back fruit pies at Ellardo
Bakeries is norma
Section 8 Examples:
For each of the following, indicate whether the data are crosssectional or timeseries:
a) Quarterly employment rates
b) Unemployment rates by state
c) Monthly sales
d) Employment
Chapter 14
Introduction to Linear Regression and Correlation Analysis
When applicable, selected problems in each section will be done following the appropriate stepbystep procedures
outlined in the
Chapter 8
Estimating Single Population Parameters
When applicable, selected problems in each section will be done following the appropriate stepbystep procedures
outlined in the corresponding sectio
Chapter 6
Introduction to Continuous Probability Distributions
When applicable, selected problems in each section will be done following the appropriate stepbystep procedures
outlined in the corresp
Statistics a science that deals with the methods of collecting, organizing, and summarizing data in such a way that valid conclusions can be drawn from them. NOT: selecting the right data to support
STAT201Recitation
Week 6: Quiz 7; Room 207 (Thursday 1~4)
Q1
ne of the reasons for taking a sample instead of conducting
a census is this:
A sample is difficult to take.
B. A sample is more accurate t
Section 7 Examples:
Describe how systematic random sampling could be used to select a random sample of 1,000
customers who have a CD at a commercial bank. Assume that the bank has 25,000 customers
who
Principles of Microeconomics
ECON 201
Spring 2011/2012
MIDTERM II PRACTICE
1. A movement along a demand curve from one pricequantity combination to another is called
A. a change in quantity demanded.
Introduction to Business
Statistics
Wenjing Shen
Chapter 12
Examples of Data
Age
Birthday
Nationality
Race
Height
Weight
Eyecolor
Salary
Grade
Address
Credit score
Competition result
UPS package trac
Sampling Error
Sample mean  Population mean
(sum values/sample)  (sum values/population)
zvalue for Sampling Distribution of x
z = (sample mean  pop. mean)/(pop. stdev./sample size)
Finding the Sa
Takeaways from Class 5
!
Probability
!
STAT 201
Introduction to Business Statistics
!
Assigning Probabilities
!
Classical Probability
Assessment: All outcomes
!
Relative Frequency of
Occurrence: Based
STAT201001IntroductiontoBusinessStatistics
Winter20162017
This introductory first course in business statistics focuses on applications of data analysis and
statistics to business and economics. Topic
Statistics is the study of the collection, organization, analysis, interpretation, and presentation of data.
Descriptive statistics: describe data numerically or graphically. (Collecting, presenting,
Chapter 1
The Where, Why, and How of Data Collection
The more difficult problems in this chapter are:
For Section 1.1
1.8, 1.9, 1.15, 1.16
For Section 1.2
1.28, 1.29, 1.30, 1.31
For Section 1.3
1.40,
Decision Sciences
LeBow College of Business
Drexel University
3220 Market Street
Philadelphia, PA 19104
STAT 201 Intro to Business Statistics
Practice Midterm I
Name (Last, First) :
Chapter 8
Estimating Single Population Parameters
When applicable, selected problems in each section will be done following the appropriate stepbystep procedures
outlined in the corresponding sectio
CHAPTER 5: PROBABILITY
5.1: RANDOM EXPERIMENTS
Random experiment  observational process whose results cannot be known in advance.
Sample Space  set of all possible outcomes (S) for an experiment.

CHAPTER 1: OVERVIEW OF STATISTICS
Statistics the science of collecting, organizing, analyzing, interpreting, and
presenting data.
helps summarize small and large amounts of data and reveal
underlying
CHAPTER 4: DESCRIPTIVE STATISTICS
Charts and graphs are types of Descriptive Statistics xx
Statistic  numerical value calculated from a sample (Roman Letters)
 Parameter  a measurement/characterist
Practice Exam (or Quiz) Problems
Dr. Jinwook Lee
Problem 1. Suppose that 5 percent of men and 0.25 percent of women are colorblind. A colorblind person
is chosen at random. What is the probability o
CHAPTER 3: DESCRIBING DATA VISUALLY
3.1 Stemand Leaf Displays and Dot Plots
Visual Displays  charts and graphs
 Provide insights into data set without use of mathematics
Numerical Displays  statis
STAT 201
Introduction to Business Statistics
4 Credits
Fall 2016  Section 001
Class Time: Monday, Wednesday 10:00 11:50am
Class Location: Pearlstein 101
1. INSTRUCTOR
Dr. Merrill Liechty
Office Locat
Announcements
!
Homework 1will be posted to Blackboard Learn today
!
STAT 201
Introduction to Business Statistics
!
!
Class 4: Describing Data by Numerical Measures
Review of Measures of Location
Perc