MATH 540 Final Exam (3 different VERSIONS)
VERSION 1
Validation of a simulation model occurs when the true steady state average results have been
reached
Excel can be used to simulate systems that can be represented by both discrete and
continuous random
Running head: WEARABLE TECHNOLOGY
1
Fitbit: Wearable Technology
Andres Navarro Santacruz
BUS 620: Managerial Marketing
Instructor: Dr. Paula Zobisch
December 18, 2016
WEARABLE TECHNOLOGY
2
Fitbit: Wearable Technology
Wearable technology has become a pheno
Actuaries work with statistics and probabilities each day. What do actuaries do and what
tests do they take? Respond to at least two of your classmates posts.
Actuaries are experts in managing and assessing risks. Life is full of risks, and some can lead
Provide a link for a picture of a scatter plot where the r value is not given. Estimate what you
think the r value would be and explain why. Respond to at least two of your classmates
posts.
The scatter plot displayed below has a very strong positive corr
Read the information in Chapter 3 of your text on correlation and causation and Example 6
titled Spurious Correlation by Lurking Variables. This describes an observed correlation that
may be caused by the influence of a third variable. Describe and cite a
A recent Gallup poll measures certain well-being factors and how they are having an effect on the
U.S. economy. The two main well-being indicators that seem to have the greatest effect on the U.S.
economy are obesity in smoking. According to the study don
Describe a recent study where data was gathered. If possible, explain whether it is a
qualitative or quantitative study, and whether the data is discrete or continuous. What type
of graph would you use to describe the data and why? Respond to at least two
Running head: CHILDHOOD OBESITY
Statistical Methods for Analyzing Childhood Obesity
JaNelle Wright
MAT 540 Statistical Concepts for Research
Instructor Donald Plantine
June 15, 2015
CHILDHOOD OBESITY
2
Statistical Methods for Analyzing Childhood Obesity
I
A scatter plot is a graph that shows the relationship between two sets of data. One value will
appear on the horizontal axis (X) and the other value on the vertical axis (Y). The data will
appear as points in the plot fixed by the values of both variables
Running header: CORRELATION COEFFIENTS
Correlation Coefficients of Childhood Obesity
JaNelle Wright
MAT 540 Statistical Concepts for Research
Instructor Donald Plantine
July13, 2015
CORRELATION COEFFICIENTS
2
Correlation Coefficients of Childhood Obesity
Quantitative research
Quantitative research is generally associated with the positivist/postpositivist paradigm. It
usually involves collecting and converting data into numerical form so that statistical
calculations can be made and conclusions drawn.
The
1 Quest A large research hospital and a community hospital are located in your area. The surgery
. ion :
cases, even of the same type, are not equally serious. Large research hospitals tend to get
the most serious surgery cases, whereas community hospital
The Relationship Between Student Attitudes Towards Learning and Their Acheivement
Binhan Nguyen
Math 540
Dr. Caroline Budwell
January 30, 2017
1. Topic and Statistical method
a. This paper will examine the affect students attitudes towards learning and
th
1.
Question :
Cities must find better ways to dispose of solid waste. According to the
Environmental Protection Agency, the composition of the 217 million
tons of solid municipal waste created in 1997 was:
Paper and paperboard 38.5%
Yard waste
12.3%
Food
Find an article that incorporates research of confidence intervals to market a new product.
Summarize the information gained from your research. Based on the research, is it wise to go
ahead and market the product? Support your ideas with cited sources.
I
Read the information in Chapter 3 of your text on correlation and causation and Example 6
titled Spurious Correlation by Lurking Variables. This describes an observed correlation
that may be caused by the influence of a third variable. Describe and cite a
Find a video that provides help with learning probability. Why do you like it and what did you
learn? Visit this helpful website(http:/www.khanacademy.org/) to assist you with your search.
Respond to at least two of your classmates posts.
Thanks to online
Provide a link for a picture of a scatter plot where the r value is not given. Estimate what you
think the r value would be and explain why. Respond to at least two of your classmates posts.
A scatter plot correlation is similar to a graph utilizing verti
Actuaries work with statistics and probabilities each day. What do actuaries do and what tests
do they take?
The Bureau of Labor states that Actuaries are individuals that analyze risk and uncertainty in the
insurance industry as well as in other business
In Chapter 8 of your text, read the interpretation of confidence intervals. Find a journal
article from the library that incorporates repeated sampling. This may be stated or implied.
Use the explanation in the last paragraph of the section on interpretat
Discussion 1: Describe a recent Gallup poll. Be sure to include the results of the poll, how the poll was
conducted, and what the results will be used for. Respond to at least two of your classmates posts.
A Gallup Poll gives us a glimpse of public opinio
RUNNING HEAD: Correlation: Firearms and Police Fatalities
Reviewing the Correlation of Firearm Ownership and Police Fatalities
Elizabeth Clarke
MAT540: Statistical Concepts for Research
Instructor: Chander Sekar
January 23, 2017
1
Correlation: Firearms an
1.
Question :
Student Answer:
Find the standardized variable z if x has Mean 12 and standard
deviation 10.
Z = (x-10)/12
Z = (x-12)/10
Z = (12-x)/10
Z = (x+12)/10
Points Received:
1 of 1
Comments:
Question 2. Question :
Student Answer:
Find the area under
1.
Question :
Student Answer:
Match the proposed probability of A with the appropriate verbal
description.
Very likely to happen
No chance of happening
Very little chance of happening
An incorrect assignment.
Points Received:
1 of 1
Comments:
Question 2.
These are the automatically computed results of your exam. Grades for essay questions, and comments
from your instructor, are in the "Details" section below.
Date Taken:
8/7/2016
Time Spent:
08 min , 28 secs
Points Received:
9 / 10 (90%)
Question Type: #