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Tutorial 6 (Week 7) :(Consumers, Producers, and the Efficiency of Markets )
Section A
1.
2.
3.
4.
Consumer surplus in a market can be represented by the
a.
area below the demand curve and above the price.
b.
distance from the demand curve to the horizonta
Tutorial 8 (Week 10): (Production and Cost Theory)
Section A
1.
Ah Cheong wants to start his own business. The business he wants to start will
require that he purchase a factory that costs $400,000. Ah Cheong currently has
$500,000 in the bank earning 3 p
Tutorial 7 (Week 9) : (Externality)
Section A
1.
When externalities are present in a market, the well-being of market participants
a.
and market bystanders are both directly affected.
b.
and market bystanders are both indirectly affected.
c.
is directly a
Tutorial 5 (Week 6): (Supply, Demand, and Government Policies)
Section A
1.
Which of the following statements is correct?
a.
A price ceiling is not binding when the price ceiling is set above the
equilibrium price.
b.
A price floor is not binding when the
Tutorial 10 (Week 12): (Monopoly)
Section A
1.
Suppose most people regard emeralds, rubies, and sapphires as close substitutes
for diamonds. Then DeBeers, a large diamond company, has
a.
less incentive to advertise than it would otherwise have.
b.
less ma
QBM101 Tutorial Questions, Semester 1, 2017
Page 1
Module 1
Chapter 1 Introduction
Multiple choice questions:
1. The lowest level of data measurement is _.
a) Interval level
b) Ordinal level
d) Ratio level
e) minimal level
c) Nominal level
2. Which scale
QBM101 Tutorial Questions, Semester 1, 2017
Page 1
Module 4
Chapter 10 Simple Linear Regression
Question 1
A report by an educational researcher provides information that suggests that playing computer
games has a serious effect on school performance. In
APPENDIX
Conditional Probability
P( A B)
P( A | B)
P( B)
Tests for Determining Independent Events
(i) P( A B) P( A) P( B)
(ii) P( A | B) P( A)
(iii) P( B | A) P( B)
Tests for Determining Mutually Exclusive Events
(i) P( A B) 0
(ii) P( A B) P( A) P( B)
Ad
APPENDIX
Relative Frequency
Relative frequency of a class
f
f
Median
(n 1)
2
th
value
Population Mean for Ungrouped Data
x
N
Sample Mean for Ungrouped Data
x
x
n
Population Mean for Grouped Data
mf
N
Sample Mean for Grouped Data
mf
x
n
Range
Range =
1. The GPAs of all students enrolled at a large
university have an approximately normal
distribution with a mean of 3.13 and a standard
deviation of .52.
(i) Find the probability that the GPA of a
randomly selected student is more than 3.33.
(ii) Find the
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Bin son: TS. L Trng Ngha
9/30/2016
Chng 2: MNG NNG
I. nh ngha
Df
2.5
Mng nng b
Mt nn
N
tt
Khng k n ma st hai bn mng
Df
II. Mng n
2.1. Mng n chu ti ng tm
ptt
Trnh t tnh ton v thit k
Thng s u vo
- Ti trng (N,M,H) ti chn ct
tnh ton
thi
Bi ging Mng bng
Bin son: TS. L Trng Ngha
9/30/2016
PHN 2:
TNH TON V THIT K MNG BNG
II. MNG BNG MT PHNG (di dy ct)
Ct (c ct)
B tng lt
Dm (sn) mng
Bn (cnh) mng
1
Bi ging Mng bng
Bin son: TS. L Trng Ngha
9/30/2016
II. MNG BNG MT PHNG
(di dy ct)
Trnh t tnh to
ai ho c Bach Khoa Tp.HCM
B mn ia c N n Mong
Bi tp Nn Mng Chng 1&2
Bi 1: Cho bng thng k trng lng ring t nhin t ca lp t st nh bn di. Xc nh gi
tc
tr tiu chun ttc v gi tr tnh ton theo TTGH I tItt v TTGH II tII
.
STT
1
2
3
4
5
6
7
8
9
S hiu
mu
1-7
1-9
1-11
2-9
QBM 101 Business Statistics
Jan 2016
Tutorial Solutions: Chapter 11
Estimation: Describing a Single Population
Point estimates:
x is used to estimate
p is used to estimate p
Interval estimates:
, X is known
n
x Z
2
x t
2
p p Z
, n 1
2
s
, X is
QBM 101 Business Statistics
Jan 2016
Tutorial Solutions: Chapter 10
Sampling Distribution
Random variable of population, X or p
Sampling variable from sample, X or p
X ~ N ( , 2 )
Taking a sample of size n
2
2
X ~ N X , X
n
Z
Z
X X
X
p p
p
X
n
p p
pq
QBM101 Tutorial questions
Page 22
TUTORIAL QUESTIONS FOR CHAPTER 11
Topic: Estimation: Describing a Single Population
Question 1
In a random sample of 70 students in a large university, a dean found that the mean weekly time
devoted to homework was 14.3 h
QBM101 Tutorial questions
Page 24
TUTORIAL QUESTIONS FOR CHAPTER 13
Topic: Hypothesis testing
Question 1
Define the following terms:
a. Type I error
b. Type II error c. Significance level d. Rejection region
Question 2
Suppose that the following observati
QBM101 Tutorial questions
Page 21
TUTORIAL QUESTIONS FOR CHAPTER 10
Topic: Sampling Distributions
Question 1
The manufacturer of cans of salmon that are supposed to have a net weight of 120 g tells you that
the net weight is actually a random variable wit
Sample Mid-Term Exam Paper
SECTION A MULTIPLE CHOICE QUESTIONS (30 MARKS)
1.
In a market economy, who makes the decisions that guide most economic activity?
a.
firms only
b.
households only
c.
firms and households
d.
government
2.
The term used to describ
APPENDIX
Conditional Probability
P( A B)
P( A | B)
P( B)
Tests for Determining Independent Events
(i) P( A B) P( A) P( B)
(ii) P( A | B) P( A)
(iii) P( B | A) P( B)
Tests for Determining Mutually Exclusive Events
(i) P( A B) 0
(ii) P( A B) P( A) P( B)
Ad
QBM 101 Business Statistics
Dr. Lai Kee Huong
Department of Business Studies
Faculty of Business, Economics & Accounting
[email protected]
MODULE 1 RECAP AND REVISION:
Module 1:
Introduction
Organizing and graphing data
Numerical descriptive measur
1. Consider a biased coin that produces
heads 60% of the time.
(i) The coin is tossed 5 times. What is the
probability of getting exactly 3 heads?
(ii) The coin is tossed 10 times. What is
the probability of getting at least 3 heads?
(iii) If the coin is
QBM 101 Business Statistics
Dr. Lai Kee Huong
Department of Business Studies
Faculty of Business, Economics & Accounting
[email protected]
QBM 101
BUSINESS STATISTICS
Duration: 29 Aug 10 Dec 2016
Pre-requisite: None
Lecture 1 Group A: Mon 4pm-6pm A
QBM101 Tutorial Questions, Semester 3, 2016
Page 1
Module 2
Chapter 4 Probability
Multiple choice questions:
1. Which of the following is not a legitimate probability value?
a) 0.67
b) 15/16
c) 0.23
d) 4/3
e) 0.98
2. If X and Y are mutually exclusive even
Q1)
a) Are the multiple Regression assumptions violated?Explain
b) Interpret the slope coefficients and intercept
c) Write the results of the f test in the ANOVA table for the regression to predict the sale price with all
three potential predictors in the
Chapter 11: Multiple
Regression
Introduction
Previous chapter emphasizes one
numerical independent variable
Often to get better predictions by using
more than one independent variable
Multiple regression introduces two or more
independent variable
Better
Faculty of Business, Economics & Accounting
Department of Business Studies
HELP Bachelor of Business (Hons) Year 1
HELP Bachelor of Management (Hons) Year 1
HELP Bachelor of Tourism Management (Hons) Year 1
INTERNAL SUBJECT DETAILS
Semester 1, 2016
Subjec