START
Average # Accidents (l)
P(r)
0.1801
0.3087
0.2646
0.2466
0.14
STAGE 2
# Accidents (r)
P(r)
0
0.8694
0.1306
1
Pr(1)
48.9%
Pr(3)
24.7%
Pr(2)
26.5%
I have filled these in for you, although you may select a cell to see how these are
done, if you like 
ARIZONA
02/21/13
STATE
UNIVERSITY
STP 420, Test 1
Solution Key
Instructions: All questions carry equal weight. Answer all questions on this exam booklet. Show all your
work; numerical answers provided without required supporting work (calculations, explan
Purple cells are to one decimal place
Blue cells are to one decimal place
Look for instructions at the right
Mean
451
501
821
480
501
441
471
551
631
650
651
561
551
641
521
661
601
611
451
751
471
511
601
491
631
601
600
540
440
661
471
470
540
741
451
So, sometimes what happens is there are the plans we make, and there is reality. And life very much gets
in the way of reality a lot of times, doesn't it?
So, if you look at the posted Schedule document, you know that we are supposed to have a HW2.5.
Howe
This examination is in two parts: (a) this Excel file & (2) a Word document (STP420v8_EX1a_Name.docx). You must complete and
upload both documents appropriately to their respective uplinks to get any credit for this examination. There are 100 examination
Chapter 3. Producing Data
Sources of Data

Anecdotal data individual cases, which often come to our
attention because of being striking in some way. Theses cases are
not necessarily representative of a larger group of cases
Examples: A friend tells you s
Chapter 4. Probability: The study of Randomness
Randomness
We call a phenomenon random if individual outcomes are
uncertain but there is nonetheless a regular distribution of
outcomes in a large number of repetitions.
The probability of any outcome of a c
Introductory Applied Statistics
STP 420
Chapter 1
Looking at Data  Distributions
Basic Concepts of Statistics
What is statistics?
Statistics is the science of collecting, describing, and
interpreting data.
Descriptive
statistics
Inferential
Two Branches
> o L U T I (W
STP 420 QUIZ 1 Sept 8, 2016
SHOW ALL YOUR WORK! GOOD LUCK! NAME:
1 7. ) 4 S
1. (10 pts.) Consider the following data set (not given in ascending order):100,230, 145, 125, 150,
150135' 00; 15 #5150 :10 7253 230
a) Find the median M and the
Chapter 2
Looking at Data Relationships
In a simple case study,
amount of sales of a product
is linearly related to the
amount of money spent
advertising the product
Hubbles Law: Velocity at
which a galaxy is moving
away from us is
proportional to it dist
NO TUTOR NOR OTHER OUTSIDE HELP!
DO NOT SHARE NOR SHOW YOUR FILES TO ANYONE BUT
ME!
STP420v8 EX1: Descriptive Statistics
SP14 Due uploaded to Bb.
BY 11:59 pm on 8 February 2014
Make sure that you read and follow all of my instructions on this
examination.
There are 150 examination points on this test, worth 15 CPs. Each worksheet is worth an equal amount of points sans any BL points that might
be offered. This is the only document on which you will be working for this examination.
Make sure to appropriatel
There are 4 problem worksheets on this final examination, worth a total of 25 class points. Each
worksheet is worth the following examination points (250 total examination points):
Worksheet 1 50 points
Worksheet 2 100 points
Worksheet 3 50 points
Workshe
Now that you have gone through and worked on the first learning activity (you did that, did you not?), you are ready to perform your HW for this week.
This is found on the next worksheet.
Remember to appropriate rename your file by replacing Name in the f
Fill in the applicable Zvalue in Cell C9 by using the method discussed in LA3.3, followed by defining
the applicable complementary values of p (i.e., p , which is 1q) in Column F. Use the formula
defined in LN3.3 (and shown at the below left) to generat
Chavalier de Mr thought he could get rich by betting that at least one double six would come
up in 24 rolls of fair gaming dice. He was apparently wrong, but this was good news for us; else,
we would not likely have this course.
So, just how "wrong" was h
STP420 QZBL
This is a POSITIVE EXPERIENCE quiz; worth 4 CPs. You must highlight each answer.
1. Statistics is best thought of as being the
analysis of variance.
a. True
b. False
2. Sample statistics are estimates of
population parameters.
a. True
b. False
STP420HY QZ2.3b
Each question is worth 1 point unless specified otherwise. This part of QZ2.2 is worth 3 CPs.
1. True or False: Everything has a probability.
ANSWER HERE True
2. The probability of something happening plus the probability of it not happeni
We are going to test the hypothesis that the mean paint volume is 1 gallon against the alternate hypothesis that it is less than one gallon.
If the purchased paint had more than one gallon, then we would be getting more than what we paid for; so, getting
You have $65,000 to invest in any one of 4 possible projects defined below; based strictly on IRR (see LA23 for formatting); into which project do you invest (define by letter only in C
Project A
Project B
$50,000
P($)
25%
25%
25%
25%
S=
$37,500
$50,000
STP 420
EXAM 1
SHOW ALL YOUR WORK! GOOD LUCK!
Problem #
Max. points
1
20
2
20
3
10
4
10
5
20
6
20
Total
100
February 25, 2016
NAME:
Score
Some useful things:
If X is normal random variable with mean and standard deviation , then Z =
normal random variabl
SC) LU T10 N
STP 420 EXAM 1 February 25, 2016
SHOW ALL YOUR WORK! GOOD LUCK! NAME:
Some useful things:
Xu
0'
is standard
o If X is normal random variable with mean ,u and standard deviation 0, then Z =
normal random variable.
i ZLW  Wm 13) _
o In lin
Chapter 6  Solutions to problem
1. Write H0 and Ha .
H0 : = 300
Ha : < 300
(a) Find the Pvalue of the test. P (Z .792) = .2148.
(b) Conduct the test of the above hypotheses using a level of signicance of .05.
Since .2148 > .05 we fail to reject H0 at le
Ulrichs STP420 Project Proposal Requirements Following are the features I require you to include in your team project proposal. This must be typed and submitted to me in class by Monday, 1 March 10, whereas I prefer that you submit it by Wednesday, 24 Feb
WebAssign
HW3 (Homework)
Current Score : / 100
Caleb Tsosie
STP 420 Fall 2016, Sections 72240 & 72241, Fall 2016
Instructor: Marko Samara
Due : Sunday, September 25 2016 11:59 PM MST
The due date for this assignment is past. Your work can be viewed below,
Caleb Tsosie
STP 420 Fall 2016, Sections 72240 & 72241, Fall 2016
Instructor: Marko Samara
WebAssign
HW1 (Homework)
Current Score : 100 / 100
Due : Sunday, September 4 2016 11:59 PM MST
The due date for this assignment is past. Your work can be viewed bel
1. 7.14/7.14 points  Previous AnswersMIntroStat8 2.E.034.
A study of reading ability in schoolchildren chose 60 fifthgrade children at random from a school. The main purpose of this study was to ask
whether schoolchildren can estimate their own reading
i _, M, '
LA wig/i T L. N Sept 22, 2016
SHOW ALL YOUR WORK! GOOD LUCK! NAME:
(is, C
STP 420 \D ,x"
1. A student wonders if tall women tend to date taller men. She measures 6 women and their dates.
The data are listed below:
Mmemmmmmm
mm
iwwmmmm
(a) (5 p