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
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
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
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 item
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
Chapter 4
Probability
Learning Objectives
Comprehend the different ways of assigning
probability
Understand and apply marginal, union, joint,
and conditional probabilities
Select the appropriate la
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
Compu
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
Chapter 6
Continuous
Distributions
Learning Objectives
Understand concepts of the uniform distribution
Appreciate the importance of the normal
distribution
Recognise problems involving the normal
d
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,
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
s
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 o
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
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 tha