Sta 350A Fall 2009 Dr. Fan Homework Set 1 Due Thursday, September 17, 2009, before class starts Note: For this homework, do all calculations by hand, not by Minitab. Feel free to check your answers using Minitab (no need to hand in Minitab output.) 1. Rea
Stat 350A Schedule, Summer 2017
The schedule below is tentative and may vary depending on circumstances. The last column
refers to chapters and sections of the text book.
Week 1
Week 2
Week 3
Week 4
Week 5
Week 6
M 5/22
T 5/23
W 5/24
Th 5/25
M 5/29
T 5/30
4.21
a. The donor has type O blood given that the donor is white.
0.36
b. P (T1 W )
0.4489
0.802
c. P (T1 W ) 0.4489 0.462 P (T1 ) , thus W and T1 are not independent
d.
P(T1
W)
0.36
0 , so W and T1 are not mutually exclusive
4.22 For two events to be mut
Statistics 350A
Review for Exam 1: Part 1
1
Descriptive statistics
1. Variable type:
Categorical or qualitative variable: nominal, ordinal
Quantitative variable: discrete, continuous
2. Measures of central tendency: mode, median, mean
Outlier and Robustne
Statistics 350A
Descriptive Statistics
(Sections 3.4-3.5)
1
Overview:
Variable (data) type
Measures of central tendency
Mode
Median
Mean
Measures of Variability
Range
Inter-quartile Range (IQR)
Variance and Standard Deviation
2
1. Variable Type
(a) Catego
Chapter 3
Data Description
3.1
a. The following is a pie chart of the federal expenditures for the 2014 fiscal year (in billions of
dollars).
Pie Chart of Federal Program
532
Category
National Defense
Social Security
Medicare & Medicaid
National Debt Inte
Statistics 350A
Probability
(Sections 4.1-4.3)
1
1. Definition
Probability: A numerical quantity between 0 and
1 that expresses the likelihood of an event
0 P(E) 1
2
(a) Theoretical Point of View
Outcome: Each possible distinct result with
equal chance of
A study showed that the average number of hours children in the U.S. watch television each day is 4 hours with a population standard
deviation of 1.6 hours. If a group of 64 children is selected at random, what is probability that the average time these c
Stat 350A Statistical Methods I (tentative syllabus)
2017 Summer Session I
Meeting times: online at http:/blackboard.sdsu.edu
Instructor: Dr. Juanjuan Fan
Email: [email protected]
Office hours: online, by appointment
Required text: An Introduction to st
Sta 350A
Dr. Fan
Homework Set 2
Note: For this homework, do all calculations by hand, not by Minitab.
1. Reading: Sections 4.1-4.7.
2. A particular system in a space vehicle must work properly in order for it to gain reentry
into the earths atmosphere. On
Statistics 350A
Conditional Probability
(Sections 4.4-4.5)
1
Review: Probability Rules
0 P(E) 1
P(A or B) = P(A) + P(B), if A and B are mutually exclusive
P() = 1 - P(A)
P(A U B) = P(A) + P(B) - P(A B)
2
1. Conditional probability P(A|B): The probability
Minitab commands for 1-, 2-, and paired sample tests and confidence
intervals:
(For confidence intervals, simply choose "not equal" for the alternative
hypothesis in any of the following situations.)
1-sample t-test
Stat - Basic Statistics - 1-sample t.
E
Sta 350A
Dr. Fan
Homework Set 1
Note: For this homework, do all calculations by hand, not by Minitab.
1. Reading: Sections 3.3-3.6.
2. Exercises 3.1 b, 3.6, 3.29, 3.31 a b, 3.34, 3.35 (pages 125-135).
1
5.38:
a. Readig time 95%: (7.8957, 10.3043)
b. Box Plot below :)
c. 95 percent of all students will fall between the reading time of 7.8957 and 10.3043. Only
5% of students will fall outside of this interval.
6.13
a. Pooled-variance T-statistic: 4.04
b. T
Ch. 11 Practice Problems
1.
Ammonium metavanadate reacts with sulfur dioxide in acidic solution as follows (hydrogen ions and H 2O omitted):
xVO3 + ySO2 xVO2+ + ySO42
The ratio x : y is
A)
B)
C)
D)
E)
1:1
1:2
2:1
1:3
3:1
2.
What is the oxidation state of
Morgan 1
Destany Morgan
WMNST 590
Short Paper #2
November 17, 2016
The Importance of Theory
Theory is very well described by Bell Hooks in her chapter, Theory as Liberatory
Practice. She discloses in this chapter that as a young girl she used theory as a
Lindquist 1
Ayia Lindquist
Crawley
Phil 110 12pm
21 September 2016
How do you know youre not in The Matrix?
Well the logical answer to this would be that, The Matrix is a science-fiction movie,
therefore it is not real. If it is not real, then no one can
Cisco Cory
Comm 160
Professor Cureton
30 August 2016
Introduction Speech
What makes me a good debate partner? First and foremost, I cannot promise you that I
enjoy arguing, love research, or have witty comebacks. What I can promise is that I am very
relia
Ryan Thomas
Thats Amore
I walked into a grocery store and heard Thats Amore
The Chargers lost Super Bowl XXIX and I heard Thats Amore
Beelzebub was eating his subjects and I heard Thats Amore
I saw Jesus hanging on the rood and heard Thats Amore
Martin pu
King 1
Austin King
Professor Hedda Fish
RWS 100
19 October 2016
Current Article #2
The American Dream: Rich are fearful for its survival, but poor still believe from
money.cnn.com published on October 14, 2016 at 12:17 P.M. E.T.
This article, The American
Running head: POSITIVE BEHAVIOR SUPPORT
Analyzing Positive Behavior Support at We Are Wise Day Care
Child and Family Development 475
Professor Bacon
Analyzing Positive Behavior Support at We Are Wise Day Care
Program Description
Wee Are Wise Day Care is a
NAME: _Sandy Mercado_
RED ID: _809-763-143_
APA Code of Conduct Worksheet (20 points possible, 1 point per correct answer)
Directions: Read each vignette (fictional, using made up names) and below each vignette, type
in the APA ethical standard being viol
Results
It was hypothesized that individuals with children would report more significantly higher
job stress than individuals with no children. However, individuals with children was not
significantly impacted with higher job stress (t(95) = -.12, p > .05
HW 9 Solutions
Problem 5: ^y
3
= -16.505+3.135*(14) = 27.385
Residual for the 3rd subject: e3 = y3- ^y
3
= 23.3 27.385 = -4.085
Note that here the subscript 3 refers to subject 3 (i.e., i = 3).