AJ Davis Department Store Part B
AJ Davis Department Store
Introduction
The following information will show whether or not the managers speculations are correct. He wants
to know the following information: Is the average mean greater than $45,000? Does th
Course Project Part - A
Math-533 Applied Managerial Statistics
Professor; Leroy Miller
20th September, 2015
I.
Introduction.
SALESCALL Inc. is a company with thousands of salespeople. The data provided; SALES (the
number of sales made this week), CALLS (t
The data shown below represent the annual earnings age (XL). and hours worked per day (x2) for a random sample of street vendors in a certain cit_v. Complete parts
a through 1'.
'y' 3158 2132 1463 112? 2058 7-29 1661 2—319 3325 1264 D
60 44 20 43 30 18 30
Running Head Course Project C
Course Project Part - C
Math-533 Applied Managerial Statistics
Professor; Leroy Miller
19th October, 2015
A. Summary Report
2
Course Project C
In order to find the relationship between the Sales and calls we graphed them in a
Project Part C:
Introduction The data used for the analysis of this project is the `AJ Davis Department Stores Data'. AJ DAVIS is a department store chain, which has many credit customers. It wants to analyze the data to find out relevant information abou
1
Project Part A
Exploratory Data Analysis
Keller Graduate School of Management
GM533: Managerial Statistics
Yolonda Williams
2
Table of Contents
Introduction and Overview
3
Individual Variables
Variable: Location
Variable: Income
Variable: Size
Variable:
rork: Week1 Homework Problems
« < o o a o“ o9 o” a“ o“ 0" o” > » 2.45:
Ex. Scare: 0.6? of L pt HW Score: 85.42% [10.25 of 1.2 ms) 12:}1‘12 complete E
For one study, researchers sampled over 100,000 ﬁrst-time candidates for the certiﬁed public accountant (
a. The average (mean) annual income was less than $50,000
Solution:
Step1: State the Null and Alternate Hypothesis:
Null Hypothesis: The average (mean) annual income was greater than or equal to $50,000
Alternate Hypothesis: The average (mean) annual inco
Running Head: Course Project - B
Course Project Part - B
Math-533 Applied Managerial Statistics
Professor; Leroy Miller
11th October, 2015
2
Course Project B
Speculation A: The average (mean) sales per week exceed 41.5 per salesperson:
It has been specula
Math 533: Course Project Part B
Professor: Vahid Keyhani
Yolonda Williams
January 2013 Session
Managerial Statistics
The Seven Elements of Hypothesis (A-D)
1.
2.
3.
4.
5.
6.
7.
State the Null Hypothesis
State the Alternative Hypothesis
Test Statistic
Reje
X
1.
_ 659 @65965965965969
(x:- Question Score: 0 of 2 pts
4. 3. 49
Test Score: 63.43% (22.2 of 35 pts) E
A national standard requires that public bridges over 20 feet in length must be inspected and rated every 2 years. The rating scale ranges from 0 (p
MATH533-Dr.C
Course Syllabus
Applied Managerial Statistics
Course Syllabus
Keller Graduate School of Management
DeVry College of New York
MATH533
Applied Managerial Statistics
Term:
Day:
March 2013
Monday
Time:
Instructor
:
6:00 pm 9:30 pm
Dr. Sorin Cruce
[email protected]@e@ my
\
Question Score: 7 of 8 pts Test Score: 83.57991: (31 0F 35 pts) E
The chances ofa tax return being audited are about 13 in 1.000 ifan income is less than $100000 and 37" in 1.000 ifan income is $100000 or more. Complete parts a through e.
Elements of a Test of Hypothesis
1. Null Hypothesis (H0 ) - A statement about the values of population parameters which we accept until proven false.
2. Alternative or Research Hypothesis (Ha )- A statement that contradicts the null hypothesis. It represe
The average salary for a certain profession is $81.000. Assume that the standard deviation of such salaries is 029.500. Consider a random sample ofSl people in this profession and let ; represent the
mean salary for the sample.
Click the icon to view the
The average salary for a certain profession is $61000. Assume that the stande deviation of such salaries is $31000. Consider a random sample of53 people in this
profession and let x represent the mean salary for the sample.
® Click the icon to ﬂew the tab
Suppose a consumer group rated 4'.’ brands oftoothpaste based on whether or not the brand carries an American Dental Association (ADA) seal verif}ing Exact
effective decay prevention. The results ofa hypothesis test for the proportion ofbrands with the se
A. group ofprofessors investigated ﬁrstryear college students' knowledge ofastronomy. One concept ofinterest was the Big Bang theory ofthe creation ofthe tmiverse. Ln a sample of 150 freshmen students. 39 believe
that the Big Bang theory accurately descri
The average driving distance (yards) and driving accuracy (percent of drives that land Player Distance (yards) Accuracy (9%.)
in the fairway) for S golfers are recorded in the table to the right. Complete parts a 1 316.2 46.9
through 9 below. 303.2 56.5
3
Homework: Week 2 Homework Problems
“HEB-“‘2 (T. Gr ('5. (E. :G‘]: ’8. m.” '3
5
53
The chance ofwinning a lotta'y game is l in approximately 27 million. Suppose you buy a $1 lotta'y ticket in anticipation ofwinning the $12 million grand prize. Calculat
E1. Score: 0.1.? of 1 pt HW Score: 83.17%(921 0F 1.]. pt;) 11 oF11 complete 1:
A group ofresearchers wants to estimate the true mean slcidding distance along a new road in a certain forest. The skidding distances (in meters) were measured at
20 randomly s
Running Head: Course Project Part B
Hypothesis Testing
MATH 533 - 60846
Speculation A: The average (mean) sales per week exceed 41.5 per salesperson:
Given problem will test the sales per week is more than 41.5 per sales person. In
this scenario, single t
A gigantic warehouse stores approximately 80 million empt}r aluminum beer and soda cans. Recently= a ﬁre ochcrred at the warehouse. The smoke Erom the ﬁre contaminated many ofthe cans
with blaclcspot= rendering them unusable. A statistician was hired by t
The white wood material used for the roof ofan ancient temple is imported from a certain country. The wooden ro ofmust withstand as much as 100 centimeters of
snow in the winter. Architects at a university.r conducted a stud}.r to estimate the mean bendin
Week 5, Math 533
B Heard
Do not copy or post
without my permission.
Students may use a
Week 5, Math 533
1
Week 5, Math 533
Week 5, Math 533
Week 5, Math 533
Go to Graph > Probability Distribution Plot, choose the right most View Probability
Click Ok, then
Project Part C:
Introduction
The data used for the analysis of this project is the AJ Davis Department Stores
Data. AJ DAVIS is a department store chain, which has many credit customers. It
wants to analyze the data to find out relevant information about
Ch. 8: Confidence Interval Estimation
In chapter 6, we had information about the
population and, using the theory of Sampling
Distribution (chapter 7), we learned about the
properties of samples. (what are they?)
Sampling Distribution also give us the f
1
Running Ahead: Course project C
DeVry University
Keller Graduate School of Management
Pomona, California
WEEK 2 COURSE PROJECT PART C
BY
Priyanka Vohra
Submitted in Partial Fulfillment of the Course Requirements
for
MIS 588 Statistics for Business & Eco
1
DeVry University
Keller Graduate School of Management
Pomona, California
WEEK 2 COURSE PROJECT PART A
BY
Priyanka Vohra
Submitted in Partial Fulfillment of the Course Requirements
for
MIS 588 Statistics for Business & Economics
Professor: Dr. Javid Shak