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, y
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 gro
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
Six steps to Hypothesis testing: (does not work for confidence intervals) 1. Research problem stated in reference to the alternative hypothesis in common discourse language 2. Statistical hypothesis (
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, y
1.
a.
b.
c.
d.
In a histogram, the proportion of the total area to the left of the mode is:
more than 0.50 if the distribution is positively skewed.
less than 0.50 if the distribution is negatively sk
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, y
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
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
Descrip
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 n
Regression Statistics Multiple R 0.81 Correlation Coefficient R Square 0.65 Correlation Coefficient squared Adjusted R Square 0.65 Standard Error 303.14 (SSE) Closer to Zero the better the fit of the
TEST-3 SPRING 2013
VERSION-A
Use the following scenario to answer next 3 questions.
The director of training for Snuggie, the manufacturer of the Snuggie sleeved blanket, is
interested in determining
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
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.
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
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
0.77717
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
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.
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 Stati
Name _
WCOB 1033 006 Data Analysis and Interpretation
Practice Exam 5
Spring 2014
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
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
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 t
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
Exam 4 Practice Exam
WCOB 1033
Ms. A. Lee is an advisor for the Walton College of Business and she is often
asked by students what they should major in if they want to make a lot of
money. Of course,
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
Anthony was interested in the height of athletes participating in the 2012 Olympics, so he
collected data on all of the athletes that participated in the 2012 Olympics. His results indicated
that the