Company
3M
Alcoa
American Express
AT&T
Bank of America
Boeing
Caterpillar
Chevron
Cisco Systems
Coca-Cola
DuPont
ExxonMobil
General Electric
Hewlett-Packard
Home Depot
IBM
Intel
J.P. Morgan Chase
Johnson & Johnson
Kraft Foods
McDonald's
Merck
Microsoft
Pf
Due 11:59pm (midnight), Wednesday, 2/8
Homework 3
Last Name: First Name:
Directions: Please type in your answers in bold font. If you create tables or charts in Excel, please
paste them under corresponding questions in this Word file. You only need to sub
Due 11:59pm (midnight), Wednesday, 2/1
Homework 2
Last Name:
First Name:
Directions: Please type in your answers in bold font. If you create tables or charts in Excel, please
paste them under corresponding questions in this Word file. You only need to sub
STAT 252 2017 WINTER FINAL FORMULA SHEET GREG WAGNER
Two Means - Paired Samples, d 1 2 :
Numerical Summaries :
For a random sample, ( y1 ,., yn ), of size n
1 n
y
(
y
y
)
yi
i
n i 1
i 1
2
i 1
Sample Variance : sY
n 1
n 1
Sample Standard Deviation Sa
University of Alberta
Department of Mathematical and Statistical Sciences
STAT 252 (Section S1)
Midterm Exam: Thursday, March 9, 2017, 11:05 11:55 a.m.
Instructor: Greg Wagner
SOLUTIONS
Student Name: _
Signature: _
Instructions: (READ ALL INSTRUCTIONS CAR
Felix Gabriel Baez Zaeton
Captulo 1 seccin 1.2-1.3 ejercicios pares
Seccion 1.2
2)
Qualitative Data
Quantitative Data
Overview:
Overview:
Deals with descriptions.
Deals with numbers.
Data can be observed but not measured.
Data which can be measured.
Color
Felix Gabriel Baez Zaeton
Captulo 1 seccin 1.2-1.3 ejercicios pares
2)
Qualitative Data
Quantitative Data
Overview:
Overview:
Deals with descriptions.
Deals with numbers.
Data can be observed but not measured.
Data which can be measured.
Colors, textures,
These two questions are exercises for the hypothesis testing chapter. You dont
need to submit it. There will be questions in similar formats in Final Exam.
Homework 11 Solution Key
Please type in your answer in bold font.
1. A major U.S. tire maker wants
Homework 10 Solution Key
Please type in your answer in bold font.
1. (Ch7) A population consists of the following five data values: 4, 5, 6, 7, 8.
a. Calculate population mean and population standard deviation.
Answer: Population mean: (4+5+6+7+8)/5=6.
Po
Homework 9 Solution Key
Please type in your answer in bold font.
1. (Ch6) A full tube of Listerine Tartar Control toothpaste contains 5.2 ounces. As people use the
toothpaste, the amount remaining in any tube is random. As such, we assume that the amount
Homework 3 Solution Key
Directions: Please type in your answer in bold font. Copy and paste the tables/charts you created in
Excel file to this word file and submit only this file.
1. (Ch2) The Dow Jones Industrial Average (DJIA) underwent one of its infr
Homework 7 Solution Key
Please type in your answer in bold font.
1. (Ch4) Consider the following experiment, which can happen every day in your work. You complete
a business project report and submit it to your direct manager, who will make a positive, ne
Homework 8 Solution Key
Please type in your answer in bold font.
1. (Ch4) Last year, a Morgan Stanley Consumer Survey sampled men and women for a study. Each
participant was asked whether they preferred to drink plain bottled water or a sports drink such
Homework 4 - Solution Key
Please type in your answer in bold font.
Directions: Please do all calculations by hand and/or calculator. DONT use Excel functions
since you will NOT be allowed to use Excel in your exam. Keep two decimal places for all your
cal
Homework 6 Solution Key
Please type in your answer in bold font.
1. (Ch3b&14) The Dow Jones Industrial Average (DJIA) and the Standard & Poors 500 Index (S&P
500) are both used to measure the performance of the stock market. The DJIA is based on the price
Homework 2 - Solution Key
Please type in your answer in bold font.
1. (Ch1) The following data shows the yearly income distribution of a sample of 200 employees at
MNM, Inc.
Yearly Income ($1000s)
20 24
25 29
30 34
35 39
40 44
Number of Employees
2
48
60
Homework 5 - Solution Key
Please type in your answer in bold font.
Directions: Please do all calculations by hand and/or calculator. DONT use Excel functions
since you will NOT be allowed to use Excel in your exam. Keep two decimal places for all your
cal
Homework 1 - Solution Key
Please type in your answer in bold font.
1. In this class we define Statistics as a process of taking massive data and turning it into valuable
information and knowledge, which can then be used to make better business decisions.
AEST A601 Aquatic Process Chemistry
Problem Set 6
1. Problem 7-6, Benjamin Text.
2. Problem 8-1, Benjamin Text
3. Calculate the free metal concentration for a hard (Al3+), intermediate (Zn2+), and soft
metal (Hg2+) in a solution of pH 7, 10-2 M chloride,
AEST A601 Aquatic Process Chemistry
Problem Set 3 Part 2
1. Determine solution pH in each of the following cases using a log C-pH diagram. Check your result
by substituting the computed concentrations of all the species into the Ka equation.
a. 1x10-3 M N
AEST A601 Aquatic Process Chemistry
Problem Set 3
1. Determine the pH of the following solutions using a graphical solution. Show the "recipe," species, reactions,
mass action laws, mass balances, charge balance, and proton condition for each solution.
-3
Announcements
Exam 1
topics and chapters
concentration, activity (Chapter 1)
thermodynamics (Chapter 2)
acids and bases (Chapters 3, 4, and 5)
PSs 1, 2, and 3
why take-home?
Honor Code
open book & notes, closed colleague
out Today, Oct 11, 8pm
physical co
Todays Lecture
Announcements
Act 1: Artwork of Acids
Act 2: Hi, my name is Hydronium and I have a proton
condition
Announcements
Engineering Seminars
Thursdays 11:30 12:30 ETB1, check it!
Reading (covered today)
Benjamin, Chapter 3 and 4
Problem sets
PS 1
Todays Lecture
Announcements
Prologue: Activity
Todays lecture in 3 acts
Act 1 We work together
Act 2 Gibbs and his energy
Act 3 Ill have a proton please
Announcements
Office hours
Mondays, 4-5:30 pm, in my office (ENGR 208)
Or as announced
Google Group A
di closed
Created by Dr. Joe Ryan - University of Colorado Boulder
Diprotic Acid (or Base)
-4.70
14.00
4.80
9.80
0
alpha vs. pH for Diprotic Acid
1.0
-2
log C
0.8
Column B
Column C
Column D
Column F
Column H
-4
-6
alp h a
log TOTA
pKw
pKa1
pKa2
-8
0.6
0.4