A One-Sample Z: SALES Confidence two tail
The assumed standard deviation = 2.415
Variable
SALES
N
100
Mean
42.340
StDev
4.171
SE Mean
0.241
95% CI
(41.867, 42.813)
One-Sample Z a= one tail hypo test
Test of mu = 41.5 vs > 41.5
The assumed standard deviati
Answer
The length of time to do a cable installation by
Multi-Cable Inc. is normally distributed with a mean of
42.8 minutes and a standard deviation of 6.2 minutes. What
percentage of installations take less than 30 minutes?
x = The length of time to do
MATH 533: Applied Managerial Statistics
Course Project Part A
Introduction.
I.
SALESCALL Inc. is a company with thousands of salespeople. The data provided; SALES (the
number of sales made this week), CALLS (the number of sales calls made this week), TIME
MATH 533 1
Hypothesis Testing
MATH 533
Hypotheses testing involves the testing of the null hypothesis and the alternative
hypothesis. When testing the hypothesis either the null hypothesis or the alternative
hypotheses is rejected. The value to a company
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Boiler
Design
Boiler
Drum
capacity, pressure,
type, x3 type, x4
x1
x2
3,137 12
MATH 533: Applied Managerial Statistics
Course Project Part A
Introduction.
I.
SALESCALL Inc. is a company with thousands of salespeople. The data provided; SALES (the
number of sales made this week), CALLS (the number of sales calls made this week), TIME
Read the Case: Statistics in Action: Bid-Rigging in the Highway Construction Industry, in Chapter 11 of your
textbook, and answer the following questions. The data set, FLAG, for the case study is available in the
Statistics in Action (SIA) folder, so you
Read the Case: Statistics In Action: Legal AdvertisingDoes It Pay?, and answer the following questions. (The
case is included in your textbook, Chapter 10.) The data set for the case study is LEGALADV, and it is available
in your textbook resources, so yo
Applied managerial Statistics
Schedule
Quizzes will be due the following Friday after class to be able to review the previous week if needed
except 7th week will be due 11/17
Review X = previous week
Discuss Y = current week
Preview Z = next week
Decision
Math 533
Week 7 Course Project C
The scatterplot graph (appendix) signifies the relationship of income and credit balance. There is
a positive relationship between the income ($1,000) and the credit balance. There is a direct
correlation of the credit bal
Math 533
Week 6 Course Project B
The managers at AJ Davis Department store has contemplated about four hypothesis from
their credit customers. A sample of 50 credit customers have been selected in order to
run these test for them. The data that was used f
Math 533
Week 2 Course Project A
AJ DAVIS is a department store chain that wishes to know more about their credit customers. A
sample of 50 credit customers has been selected with data in 5 different variable categories. The
goal of AJ DAVIS store chain i
a
b
1
1.8
c
d
-0.4
0
-3.8
-2.2
0.341 From Table
0.5
0.841
0.155
0.5
0.345
0.500
0.5
0.0
0.486
0.5
0.986
0.464 From Table
0.5
0.964
0
0.5
0.5
0.123
0.155
a
b
1.56
0.441 From Table
0.5
0.059
c
-0.94
0.326
0.5
0.174
d
0.94
0.326
1.88
0.470
0.144
-3.13
0.499
Variance = Stdev2 or stdev = varience
Stat Trek
Probability
A. Classical every outcome is equally likely
Ex. A single, six-sided, fair die
B. Relative Frequency Based on experiment or observation
Ex. Handedness 92%-8%
Gender of babies 50.4% - 49.6%
C. Sub
Math 533: FINAL EXAM REVIEW WITH ANSWERS
REVISED Aug 2015
1. (TCO A) Consider the following age data, which is the result of selecting a random
sample of United Airlines pilots:
47
45
45
52
45
48
52
47
58
51
55
45
58
52
44
42
42
37
38
40
a. Compute the me
1. Why is it important to study ethics in statistics? Have you seen
statistics misused? Without naming specific companies or people, can
you provide examples?
2. Please find (on the Internet or from the Keller library) and post an
article regarding ethics
Read the selection in your text book pertaining to the Case: Statistics in Action: Diary of a Kleenex User; load
the data set for the case, TISSUES, into Minitab; answer the question about the case in the Discussion area; and
likewise read and respond to
A number of years ago, there was a popular television game show called Let's Make a Deal. The host, Monty
Hall, would randomly select contestants from the audience and, as the title suggests, he would make deals for
prizes. Contestants would be given rela
Statistics in Action Case "Factors That Influence a Doctor to Refuse Ethics Consultation"
Before getting into analyzing the data, lets consider the question of the pros and cons of doctors using ethics
consultations with doctors, and other ethicists, trai
Question 1
(A) If a visitor is chosen at random, what is the probability that he or she is either from the South
or from the West?
total people = 2459
south + west = 1368 + 405 = 1773
probability - divide these:
1773/2459 = approx 0.721
(B) Given that the