Chapter 11
1. Sound levels are measured at random moments under typical driving conditions for various
full - size truck models. The Excel ANOVA results are shown below.
The test statistic to compare
What is Statistics
V c Hong V
University of Economics HCMC
June 2015
V c Hong V (UEH)
Applied Statistics
June 2015
1/1
Overviews of Statistics - Chapter 1
Chapter Content
1
1.1 What is Statistics?
V c
1. Given the contingency table shown here, find the probability that either event A2 or event
B2 will occur.
a. .5054
b. .0600
c. .4454
2. Given the contingency table shown here, find P(R L).
Survey q
Critical Values for the Tukey Q Test
d.f. = N K (ANOVA Error or Within d.f.) for ANOVA: Single Factor
d.f. = N R*C (ANOVA Within d.f.) for ANOVA: Two-Factor With Replication
d.f. = (R 1)*(C 1) (ANOVA
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Quiz 5
1. To describe the number of blemishes per sheet of white bond paper, we would use a
discrete uniform distribution.
True
False
2. A discrete random variable has a countable number of distinct v
Commonly Used Formulas in Applied Statistics
Vo Duc Hoang Vu
20/10/2014
1
Sampling Distributions and Estimation (Chapter 8)
1.1
Commonly Used Formulas in Sampling Distributions
Sample proportion: p =
chapter 6 Key
1. A stock portfolio consists of two stocks X and Y. Their daily closing prices are correlated random variables
with variances 0X2 = 3.51 and 072 = 5.22, and covariance an: -1.55. What i
Cumulative Standard Normal Distribution
Example: P( z < - 1.96) = 0.0250
This table shows the normal area less than z
z
-3.7
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
-3.0
0.00
0.0001
0.0002
0.0002
0.0003
0.0005
Quiz 2
1. Which display is most likely to reveal association between X and Y?
a. Histogram.
b. Dot plot.
c. Scatter plot.
d. Pareto chart.
2. Compared to a dot plot, we lose some detail when we presen
Exercise on Chapte 8 - 9 -10
Student:
1. What is the approximate width of a 90% condence interval for the true population proportion if there are 12
successes in a sample of 25?
2. What is the approxi
Chapter 9
Student: _
1. Varying the true mean is a movement along the power curve, not a shift in the curve.
True False
2. Larger samples lead to increased power, ceteris paribus.
True False
3. A null
100. On the basis of a survey of 545 television viewers, a statistician has
constructed a confidence interval and estimated that the proportion
of people who watched the season premiere of Glee is bet
LECTURE 3
Descriptive Statistics
Learning Objectives
Explain the concepts of center, variability, and shape
Calculate and interpret measures of center and variability
Transform a data set into standar
LECTURE 3
Descriptive Statistics
Learning Objectives
Explain the concepts of center, variability, and shape
Calculate and interpret measures of center and variability
Transform a data set into standar
LECTURE 3
Descriptive Statistics
Learning Objectives
Explain the concepts of center, variability, and shape
Calculate and interpret measures of center and variability
Transform a data set into standar
LECTURE 5
Discrete Distributions
Learning Objectives
In this part of the lecture, you learn:
The properties of a probability distribution
To calculate the expected value and variance of a
probabilit
- SAMPLE-MIDDLE EXAM
Statistics for Business
Time: 30 minutes for 20 questions
Student Name:_Student ID: _
Students are allowed to use textbooks, their own notes and calculators on the exam, but progr
LECTURE 5
Discrete Distributions
Learning Objectives
In this part of the lecture, you learn:
The properties of a probability distribution
To calculate the expected value and variance of a
probabilit
LECTURE 6
Continuous Probability
Distributions
Session Contents
Describing a Continuous Distribution
Uniform Continuous Distribution
Normal Distribution
Standard Normal Distribution
Normal Approx
Phn tch s liu v biu bng R
Nguyn Vn Tun
Phn tch s liu v biu bng
Nguyn Vn Tun
Garvan Institute of Medical Research
Sydney, Australia
1
Phn tch s liu v biu bng R
Nguyn Vn Tun
Mc lc
1
Ti R xung v ci t vo
MAT102 - STATISTICS FOR BUSINESS
Quarter 2 2016
Unit Guide
MAT102_STATISTICS FOR BUSINESS
QUARTER 2 2016
About Statistics for Business
Contacts
Below is a list of contacts for this unit. Please liaise
Exercise on chapter 6 and 7
Student: _
1. A fair die is rolled. If it comes up 1 or 2 you win $2. If it comes up 3, 4, 5, or 6 you lose $1. Find the
expected winnings.
A. $0
B. $1
C. $0.50
D. $0.25
2.
Applied Statistics in
Business & Economics
V c Hong V
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Chapter 2
Data Collection
Chapter Contents
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Definitions
Level of Measurement
Time Series versus Cross-
exercise on chapter 2, 3, 4 and 5
Student: _
1. A cluster sample is a type of stratified sample that is based on geographical location.
True False
2. Categorical data are also referred to as nominal o
THE FOLLOWING 3 QUESTIONS HAD ERRORS IN ASBE 4e EXAM QUESTION DATABASE.
CORRECTED TEXT IS MARKED BELOW
33. John wants to compare two means. His sample statistics were and . Assuming equal variances, t
Data Analysis for Business
and Economics
Chapter 4
Descriptive Statistics
Chapter Contents
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
Numerical Description
Central Tendency
Dispersion
Standardized Data
Percentil