Business and Economics Statistics A Workshop 1 (Solutions)
Problems
1. (Chapter 1, problem 1.4)
Descriptive statistics:
(1) total number of worker hours per plant per week helps management
understand labour costs, work allocation, productivity, etc.
(2) c
Collected and composed by Nguyn Th Thy Dung. Email: [email protected]
SUMMARY CHART OF MODAL VERBS AND SIMILAR EXPRESSIONS
AUXILIARY
1. MAY
2. MIGHT
USES
(1)polite request
(2) formal permission
(3)more than 50%
certainty
PRESENT / FUTURE
- May I bo
Part 1
MODAL VERBS ( ng t khim khuyt )
A. Form : Modal Verbs ( can /could / may / might / will / would ) + V
B. Use :
a. Can ( qu kh l could ) : ch mt kh nng hoc c hi lm u g ,
ngha l c th.
Ex :
- Tom can play three musical intruments.
- In the past, peopl
Lesson Plan 12 Ham Thuan Bac High School
TEST YOURSELF D
Period 65
OBJECTIVES
1. Educational aim: Through this test, Students should collect what they have learnt in previous lessons.
2. Lexical items:
3. Structure/ Grammar:
METHOD: Integrated, mainly co
St. Valentines Day
Do you know why we celebrate Valentines Day? Is it so we can make hearts, tell people
that we care about them, and enjoy chocolate and candy?
Wellnot originally! St. Valentines Day is meant for people to remember a brave man
whose last
Chapter 4
Probability
Learning Objectives
Comprehend the different ways of assigning
probability
Understand and apply marginal, union, joint,
and conditional probabilities
Select the appropriate law of probability to use
in solving problems
Solve prob
Chapter 3
Descriptive Statistics
Learning Objectives
Distinguish between measures of central
tendency, measures of variability, measures of
shape
Understand the meanings of mean, median,
mode
Compute mean, median, mode, range,
variance, standard deviat
Chapter 5
Discrete
Distributions
Learning Objectives
understand the concept of a random
variable and distinguish between
discrete and continuous random variables
determine the mean and variance of a
discrete random variable
identify the type of situati
Chapter 6
Continuous
Distributions
Learning Objectives
Understand concepts of the uniform distribution
Appreciate the importance of the normal
distribution
Recognise problems involving the normal
distribution and be able to solve such problems
Be able
Chapter 2
Charts and Graphs
Learning Objectives
Recognise the difference between grouped and
ungrouped data
Construct a frequency distribution
Construct a histogram, a frequency polygon, an
ogive, a pie chart, a stem and leaf plot, a Pareto
chart, and
Chapter 1
Introduction to
Statistics
Learning Objectives
Define statistics
Become aware of a wide range of applications of
statistics in business
Differentiate between descriptive and inferential
statistics
Become aware of the sources of data used in
Chapter 1 - Introduction to Statistics
1. The complete collection of all entities under study is called the _.
A. sample
B. parameter
C. statistic
D. population
2. Michael Bayley, Marketing Director of UniPowers Electrical Division, is leading a study to
Business and Statistics A Workshop 4
Problems
1. (Chapter 5, problem 5.2)
Determine the mean, the variance and the standard deviation of the following discrete
distribution.
2. (Chapter 5, problem 5.8)
Use the probability tables in table A.2 to sketch the
Chapter 4 - Probability
1. A process that produces outcomes is called _.
A.
an event
B.
an experiment
C.
a result
D.
population equivalent
2. Assigning probabilities by dividing the number of ways that an event can occur by the total
number of possible ou