Use the following information for the next 4 questions:
The incomes of Canadian residents are normally distributed with a mean of $40,000 and a
standard deviation of $6,000.
1. What is the probability that a randomly selected Canadian resident will have a
Data Analysis Spring 2009 Final Exam
May 4
3:00 5:00 PM
Please read carefully: This is a comprehensive multiple choice final exam. You are to answer
the questions on your own. You may use your book, your bound materials, a calculator, and
a pencil. You ma
Data Analysis Spring 2009 Final Exam
May 4
3:00 5:00 PM
Please read carefully: This is a comprehensive multiple choice final exam. You are to answer the
questions on your own. You may use your book, your bound materials, a calculator, and a pencil. You
ma
WCOB 1033: Fall 2014
Exam 1 Practice Problems
Use the scenario below for the following 4 questions.
The University of Arkansas bookstore has decided to use a customer satisfaction
survey to learn more about customers experiences with the bookstore. The su
Data Analysis
Important Pages and Graphs
P.71 distribution shapes
P. 121 skewed data
Definitions
Statistics- the science of allocating, organizing, analyzing, interpreting, and presenting data
Descriptive stat- the allocation, presentation, and summary of
Leader: Jun Nguyen
Email: dpnguyen@uark.edu
Chapter 4: Descriptive Statistics
1. Central Location
Mean ( or )=
Ex: 3, 8,5,10,4,10
= =5
Influenced by outliers or extreme value, good measurement for normal data
Median : middle value in sorted array
Ex: 1
WCOB 1033 018 Exam I Practice
1. A summary measure that is computed from a sample to describe a
characteristic of the population is called
a. a parameter
b. a statistic
c. a population
d. Both a and c since they are the same
2. You asked five of your clas
Employee Aggression Score 1 - 100, higher scores = more aggression
Mean
Standard Error
Median
Mode
Standard Deviation
Sample Variance
Kurtosis
Skewness
Range
Minimum
Maximum
Sum
Count
47.45013
0.777178
50
50
15.3677
236.1661
0.620977
-0.326217
80
10
90
18
Data Analysis Unit 1
Statistics: the science of collecting, organizing, analyzing, interpreting, and presenting
data.
Statistic: a single measure used to summarize a sample data set
Two types of Statistics:
1) Descriptive statistic: the collection, organi
One Sample Examples:
For each of the following write steps 1 through 3 of the 6 step hypothesis testing
method. Draw a picture and be as detailed as possible.
1. Aptitude test for job
The scores on an aptitude test required for entry into a certain job po
FINAL EXAM CHEAT SHEET WCOB 1033
Chapter 6: Finding the probability of a value/event with population only
Z=(x-)/
OR
X=+Z
Chapter 7: finding the probability of a value with a population and a sample
Part a: sample mean is more/less than population mean
WCOB 1033 Data Analysis and Interpretation
Final Exam
May 12th, 2011
FORM A
(Important: Write this on your answer sheet next to your name)
Please read and follow these instructions carefully
1.
2.
3.
4.
5.
6.
Print your name on this test booklet and on th
BryanRedd
Homework#21
.Problem
1. An inspector for the Atlantic City Gaming Commission suspects that a particular
blackjack dealer may be cheating (in favor of the casino) when he deals at expensive tables. To
test her belief, she observed 500 hands at th
Data Analysis Spring 2012 Final Exam
May 10th
6:00- 8:00pm
Version A
Please read carefully: This is a comprehensive final exam. You are to answer the questions on
your own. You may use your book, your bound materials, a calculator, and a pencil. You may
w
Homework 11
Name: Eric Nelson
Directions: Using the Bivariate Regression Data Set, predict the number of times an employee is
a group leader for a project by using the number of times he/she was a group member on
projects. Do a write up, including all of
Spring 2015: Practice Problems for Exam 2
WCOB 1033: Data Analysis and Interpretation
The citizens of Krakodja (a country in Eastern Europe), have an average productivity of 9 hours per work
day. The government has started a policy for improving the produ
Use the following information for the next 4 questions:
The incomes of Canadian residents are normally distributed with a mean of $40,000 and a
standard deviation of $6,000.
1. What is the probability that a randomly selected Canadian resident will have a
Chapters 17 and 18 research design
Questions 1 9 are based on the following scenario:
S.M. Jackson is vice president of marketing for Feltner Foods, a company that makes and sells
microwave popcorn. She wanted to assess the effectiveness of her advertisin
Chapter 1:
Statistics: is the science of collecting, organizing, analyzing, interpreting, and
presenting data; Statistic: a single measure (number) used to summarize a sample
data set; for example, the average height of students in a university
Why Study
Use the following information for the next 4 questions:
The incomes of Canadian residents are normally distributed with a mean of $40,000 and a
standard deviation of $6,000.
1. What is the probability that a randomly selected Canadian resident will have a
Independent & Dependent VariablesSee if you can determine how many criteria for causation are fulfilled for each of the below examples Independent Variables (IV) & Dependent Variables (DV) In an experiment, the independent variable is the variable that is
Data Analysis Spring 2013 Final Exam
May
6:00- 8:00pm
Version A
Please read carefully:
This is a comprehensive final exam. You are to answer the questions on your own. You may
use your book, your bound materials, a calculator, and a pencil. You may write
Name _
WCOB 1033 006 Data Analysis and Interpretation
Practice Exam 3
Summer 2012
1.
If a null hypothesis is not rejected at the 0.05 level of significance, it:
a. must be rejected at the 0.10 level
b. may be rejected at the 0.10 level
c. will be rejected
Taylor Robinson-010472113
Data Analysis-004
January 16, 2013
HW: 1.12, 1.9, 2.2, 2.3, 2.6, 2.8, 2.30, 2.31, 2.41, 2.52, 2.59
1.12 a) running red lights, driving while intoxicated, speeding, distracted driving, poor
weather conditions, and using phone whil
WCOB 1033 - Data Analysis and Interpretation
Exam 1 (Practice)
1. It is inappropriate to apply the Empirical Rule to a population that is right-skewed.
a. True
b. False
2. A frequency distribution usually has equal class/bin widths.
a. True
b. False
3. Me
These questions are actual exam questions used at one time during the teaching of this class. These questions will not be used again. They are a study guide only. These questions MAY NOT be used during any WCOB 1033 Exams
_ Chapters 9, 10 ,11, 12 and 13 U
Page 295
15
a
For alpha 0.01, we find the z at 0.01 from the table and thus the critical value is -2.32
Its a left tailed test
For alpha at 0.05 the z table would give us -1.645 and that's our critical value
Its a left tailed test
b
The value of test stat
Practice Exam 2
_
1. The CPI is more commonly used as a gauge of inflation than the GDP deflator is because
a. the CPI is easier to measure.
b. the CPI is calculated more often than the GDP deflator is.
c. the CPI better reflects the goods and services bo
Franais 1003
Printemps 2015
WLL&C
University of Arkansas
Nom: _
Instructeur: _
Examen IV : Points de dpart (Chapitre 4)
LECTURE (10 points). Lisez le texte et dcidez si les phrases sont vraies (V) ou fausses (F) :
Tour lhiver, Annabelle est reste la maiso
Accounting review chapters one through six
Chapters 1 and 2
o The big four financial statements
What they cover what appears on them
Income statement
Statement of SE
Balance sheet
Cash flows statement
o Simple debits and credits
DEALOR
Dividends
E
25 short multiple choice questions. Each one took me 2 minutes or
less. Sample questions might be: Given bank reconciliation data what
was the corrected ending balance in cash. Or what was the debit or
credit to cash in the entry to reconcile the bank bal