106
Chapter 9: Fundamentals of Hypothesis Testing: One-Sample Tests
CHAPTER 9
9.1
H0 is used to denote the null hypothesis.
9.2
H1 is used to denote the alternative hypothesis.
9.3
is used to denote the significance level, or the chance of committing a T
Name-Surname:
Student ID:
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
SPRING 2011
BUS 152 Statistics for Social Sciences
Quiz 4 Section 1
A hospital conducted a study of the waiting time in its emergency room. The hospital has a
main campus an
STATISTICS FOR SOCIAL SCIENCES
BUS 152
_
PROBLEM SET - 5
SAMPLING DISTRIBUTIONS
Problem 1 (7.1)
Given a normal distribution with = 100 and = 10, if you select a sample of n = 25, what is the
probability that X is
a. less than 95?
b. between 95 and 97.5?
c
STATISTICS FOR SOCIAL SCIENCES
BUS 152
_
PROBLEM SET 3 - SOLUTIONS
SOME BASIC DISCRETE PROBABILITY DISTRIBUTIONS
Problem 1 (5.1)
Given the following probability distribution:
Distribution A
X
P(X)
0
0.50
1
0.20
2
0.15
3
0.10
4
0.05
Distribution B
X
P(X)
0
Q1. You are trying to develop a strategy for investing in t different stocks. The
anticipated annual return for a $1,000 investment in each stock under four different
economic conditions has the following probability distribution:
Probabilities &
Outcomes
STATISTICS FOR SOCIAL SCIENCES
BUS 152
_
PROBLEM SET 5 SOLUTIONS
SAMPLING DISTRIBUTIONS
Problem 1 (7.1)
Given a normal distribution with = 100 and = 10, if you select a sample of n = 25, what is the
probability that X is
a. less than 95?
b. between 95 and
STATISTICS FOR SOCIAL SCIENCES
BUS 152
_
PROBLEM SET 4 SOLUTIONS
SOME CONTINUOUS PROBABILITY DISTRIBUTIONS
Problem 1 (6.1)
Given a standardized normal distribution, what is the probability that
a. Z is less than 1.57?
b. Z is greater than 1.84?
c. Z is be
STATISTICS FOR SOCIAL SCIENCES
BUS 152
_
PROBLEM SET - 4
SOME CONTINUOUS PROBABILITY DISTRIBUTIONS
Problem 1 (6.1)
Given a standardized normal distribution, what is the probability that
a. Z is less than 1.57?
b. Z is greater than 1.84?
c. Z is between 1.
STATISTICS FOR SOCIAL SCIENCES
BUS 152
_
PROBLEM SET - 3
SOME BASIC DISCRETE PROBABILITY DISTRIBUTIONS
Problem 1 (5.1)
Given the following probability distribution:
Distribution A
X
P(X)
0
0.50
1
0.20
2
0.15
3
0.10
4
0.05
Distribution B
X
P(X)
0
0.05
1
0.
Name-Surname:
Student ID:
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
SPRING 2011
BUS 152 Statistics for Social Sciences
Quiz 4 Section 2
A hospital conducted a study of the waiting time in its emergency rooms. The hospital has an
emergency ro
BUS152 - Statistics for Social Sciences
Spring 2011
Chapter 7: Sampling and Sampling
Distributions
Why Sample?
Selecting a sample is less timeconsuming than selecting every item in
the population (census).
Selecting a sample is less costly than
selectin
Case Name: Ford Motor Co. v Navistar International Motor Corp., Equipment Tracks &
Trends; Pg. 22 Vol. 258 No. 10
Facts: Ford Motor Co. has been in business with Navistar Motor Corp. with Navistar supplying
diesel engines for Fords heavy duty pickup l
Chapter 12
Whole-Farm Planning
http:/www.ag.uidaho.edu/aers
/publications/index.htm
Whole Farm Planning &
Budgeting
A Whole Farm Plan:
Is an OUTLINE or SCHEME for the
organization of the resources available
on a given farm
It becomes a DETAILED PHYSICAL
A
Agricultural Price Analysis
Chapter 4 & 5 Price Movements Over
Time Analysis of Trends
Why is Agricultural Price Analysis
Important?
Three Specific Uses for Price Analysis:
1. Structural Analysis
The scientific purpose to understand the realworld phenome
Chapter 1 Outline
The financial management of a business, agency, household, or another economic unit involves
the acquisition and use of financial resources and the protection of equity capital from various
sources of risk.
Business risks in agriculture
Chapter 2 Outline
(GAAP) Generally accepted accounting principles Standard framework of guidelines for
financial accounting used in any given jurisdiction. They include the standards, conventions,
and rules that accountants following in recording and summ
Chapter 3 Outline
Comparative financial statements: simple representations of two or more years of accounting
statements.
Meaningfulness refers to how well the measure actually reflects the stipulated goals.
Manageability refers to the ease of computation
Time Value timeline
Bob invests $10,000 today. It grows for 3 years at 7% interest. ($12,250.43) After
the three years are up, Bob re-invests half ($6,125) of it in a CD paying 3% for 5
years ($7,100.55) and he invests the other half ($6,125)in a stock th
Name-Surname:
Student ID:
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
SPRING 2011
BUS 152 Statistics for Social Sciences
Quiz 3 Section 2
Solutions
Q1. An insurance companys Claims Department reports the mean cost to process a claim is
$25. An
Name-Surname:
Student ID:
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
SPRING 2011
BUS 152 Statistics for Social Sciences
Quiz 3 Section 1
Solutions
Q1. An insurance companys Claims Department reports the mean cost to process a claim is
$60. An
BUS152 Statistics for Social Sciences
Homework 2 Study Set
Questions and Solutions
Questions:
Q1. When a customer places an order with Janes On -Line Office Supplies, a computerized
accounting information system (AIS) automatically checks to see if the cu
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
BUS 152 STATISTICS FOR SOCIAL SCIENCES
SPRING 2011
PROBLEM SET I: BASIC PROBABILITY
Problem 1. Given the following contingency table:
A
A
B
10
20
B
20
40
What is the probability of
a. event A (P(A)?
Name-Surname:
Student ID:
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS
CAMPUS
SPRING 2011
BUS 152 Statistics for Social Sciences
Quiz 2 Section 1
Questions and Solutions
1. There are five flights daily from Rome via Air Italia into Zurich. Suppose the
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Student ID:
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS
CAMPUS
SPRING 2011
BUS 152 Statistics for Social Sciences
Quiz 2 Section 2
Questions and Solutions
1. An internal study by the information technologies department of a company
reve
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
BUS 152 STATISTICS FOR SOCIAL SCIENCES
SPRING 2011
STUDY SET: SAMPLING AND SAMPLING DISTRIBUTIONS
Problem 1. Suppose that 5,000 sales invoices are separated into four strata. Stratum 1
contains 50 in
MIDDLE EAST TECHNICAL UNIVERSITY NORTHERN CYPRUS CAMPUS
BUS 152 STATISTICS FOR SOCIAL SCIENCES
SPRING 2011
STUDY SET: CONFIDENCE INTERVAL ESTIMATION
Problem 1. The manager of a paint supply store wants to estimate the actual amount of
paint contained in 1
Site Statistics Analysis
(1/1/06 ~ 3/28/06)
12/22/201116:02:38
Visitor No
1
2
3
4
IP Address
999.010.210.133
999.250.150.140
999.111.233.190
999.140.152.160
Operating System
Windows
Linux
Windows
Windows
Browser
MS Internet Explorer
Mozilla
Netscape
MS In
BUS152 - Statistics for Social Sciences
Spring 2011
Chapter 2:
Presenting Data in Tables and Charts
Categorical Data Are Summarized By
Tables & Graphs
Categorical
Data
Graphing Data
Tabulating Data
Summary
Table
Bar
Charts
Pie
Charts
Pareto
Diagram
2
Orga