QNT/275 WEEK 4 QUIZ 2017 VERSION
1.
Which of the following violates the assumptions of regression analysis?
2.
The error term is correlated with an explanatory variable.
The error term is normally dis
What is the best measure of central tendency?
There can often be a "best" measure of central tendency with regards to the
data you are analyzing, but there is no one "best" measure of central
tendency
1
CLO Business Decision Making Project, Part 2
Donna Brandt
QNT/275
August 8, 2016
Amy Ginsberg
2
CLO Business Decision Making Project, Part 2
ABC Company is where a number of employees have been obse
S t a ti c s i n B u s i n e s s Q N T / 2 7 5
Gretchen Zabel-Wright |1
Statistics in Business
Gretchen Zabel-Wright
QNT/275
July 03, 2016
Merry Gallod
S t a ti c s i n B u s i n e s s Q N T / 2 7 5
G
Statistics
Samantha Porting
QNT/275
11/21/2016
Jeff Jung
What are the differences and similarities between samples and populations?
Population and sample both define a set of data. However population
To understand the simple difference between descriptive and inferential statistics, all
you need to remember is that descriptive statistics summarize your current dataset and
inferential statistics ai
Business Statistics
Samantha Porting
QNT/275
11/18/2016
Jeff Jung
Intro
Statistics is all around us. It starts with just a bit of information or data retrieved from
somewhere else. Data can be retriev
Collaboration
Samantha Porting
QNT/275
11/22/2016
Collaboration is when one person works with a team or an individual to create something.
(Merriam-Webster, n/a) Someone could collaborate with their p
Quartiles Quartiles are three values that divide a ranked data set into four equal parts. The second
quartile is the same as the median of a data set. The first quartile is the median of the observati
QNT/275 Learning Activity
Week 4
Correlation and Causality
Watch the "Correlation and Causality" video.
Define a correlation and provide an example
Define causality?
Explain if correlation causes c
QNT/275 Learning Activity
Week 4
Collaborative Discussion: Linear Regression | REQUIRED
Resource: Case Study 12.1 in Chapter 12 of Essentials of Business Statistics.
Click the Sushi Restaurant Data Se
1
Mini Project 3-3
Maria Forte
QNT/275
August 28, 2017
Sudesh Kannan
2
Mini-Project 3-3
The movie industry covers many different genres. Looking at the genres and the gross
income for those moves we w
Type I and Type II Errors
What are type I and type II errors and which one is the most serious?
A type I error is the incorrect rejection of a true null hypothesis (a false Positive)
A type II error i
Statistics for Beginners
Four Steps of Hypothesis Testing
Step one: State null hypothesis and alternative hypothesis in symbolic form.
Usually the hypothesis concerns the value of a population parame
How to Test a Hypothesis in Four Steps
1.
2.
3.
4.
List four steps to test a hypothesis.
State null hypothesis and alternative hypothesis in symbolic form.
Compute the test statistics value.
Identify
Calculating the Standard Deviation
1.
<img alt="Image titled Calculate Standard Deviation Step 10"
src="http:/pad2.whstatic.com/images/thumb/a/a1/Calculate-Standard-Deviation-Step-10Version-5.jpg/aid8
Alternate Hypothesis in Statistics: What is it?
Statistics Definitions > Alternate Hypothesis
In order to understand what an alternate hypothesis is, you first need to understand what the null hypothe
We can compare measurements with a theoretical distribution. The distributions we will be
discussing will be the discrete and normal probability distributions. While the discrete
probability distribut
How are dependent and independent
samples different?
Learn more about Minitab 17
Dependent samples are paired measurements for one set of items. Independent samples are
measurements made on two differ
Business Statistics
Samantha Porting
QNT/275
11/18/2016
Jeff Jung
Intro
Statistics is all around us. It starts with just a bit of information or data retrieved from
somewhere else. Data can be retriev
1
STATISTICS IN BUSINESS PROBLEMS
The Role of Statistics in Business Problems
Nicole Azure Tingley
QNT275
5/30/2016
Professor Kannan
2
STATISTICS IN BUSINESS PROBLEMS
The role of statistics in busines
Study of sales of
McDonalds food products
Agenda
Introduction to organization
Business Problem
Importance of business problem
Variables involved in the study
Data Analysis
Descriptive Statistics
Testi
Sales at McDonalds,
Inc.
By: Claudia Capetillo
Agenda
Introduction to organization
Desciptive Statistics
Business Problem
Testing of hypothesis
Importance of business problem
Confidence interval
1
Statistics in Business
Claudia Capetillo
QNT/275
March 21, 2016
Professor Bob
2
Statistics in Business
Statistics is the knowledge involved in the application of quantitative principles to the
gathe