Statistics 112
Fall 2012
Prepared by Professor Esfandiari
Questions to answer about article one
Psychological and Biological Markers of Daily Lives of Midlife Parents of Children with
Disabilities
READ THE ARTICLE AND TRY TO ANSWER TO THE FOLLOWING QUESTI
1 1/29/2015
Quiz due Sunday October 19th by eleven PM
ﬂ / 15F-STATS112-1 / Week 2 / Quiz due Sunday October 19th by eleven PM
Control Panel
Started on Thursday, 15 October 2015, 3:01 AM
State Finished
Completed on Thursday, 15 October 2015, 3:05 AM
Time t
EBook Problems Set - Variation and Prediction Intervals
Problem 1
Two researchers are going to take a sample of data from the same
population of physics students. Researcher A will select a random
sample of students from among all students taking physics.
HW1
September 30, 2015
Question One
Given the following scenario, answer the questions given:
Scenario one: A sociologist wants to find the relationship between attitude toward womens right (numerical
variable with range 0-100), age of the respondent in y
STATS 112: Intro to Lab Activities
Introduction to R and Exploratory Data Analysis
Dr. Akram Almohalwas
1. Introduction to the lab section:
The goal of lab section is to teach you how to "do statistics" with statistical
software. We want you to get your h
STATS 112
Lab #2
The Standard Normal Distribution in R
Dr. Akram Almohalwas
One of the most fundamental distributions in all of statistics is the Normal
Distribution or the Gaussian Distribution. According to Wikipedia, "Carl Friedrich
Gauss became associ
Formula Sheet for the Midterm Exam
x x xN
x x
Population Mean: 1 2
Sample Mean: x 1 2
N
n
Range = R = Largest Data Value Smallest Data Value
xn
Population Variance:
Sample Variance:
Population Standard Deviation:
Sample Standard Deviation:
s s2
The Popu
Midterm Exam Stat-112 Check List:
Make sure you when you study for the final exam to understand the Main Concepts Lister
Below for each of the Chapters 1- 3, 6-9.
This list is not exclusive, I just put together the most important concepts we have learned
How to calculate an ANOVA table
Calculations by Hand
We look at the following example: Let us say we measure the height of some
plants under the eect of 3 dierent fertilizers.
Treatment
X
Y
Z
Overall mean
Measures Mean
122
.
565
.
21
.
/ . . .
Ai
.
.
.
ST
Hypothesis Testing on the TI-83/84
Written by Jeff OConnell joconnell@ohlone.edu
Ohlone Colleg e
http:/www2 .ohlone.edu/peop le2/joconnell/ti/ - A video tutor ial can b e found at this site
Stat vs. Data Throughout this section the calculator w ill ask yo
Ryota Fukushima
Stat 112; Fall 2015
Professor Esfandiari
Question One
a) Using table 1 indicate what you think the best predictors of happiness
would be and why?
The best predictor of happiness in table 1 would be Goal-striving
stress. Looking at the row
11/18/2015
Fall 2015: Quiz three not graded closes Sunday Nov 22nd leven PM- Two attemtps are allowed
ﬂ / 15F-STATS112-1 / Week 7
/ Fall 2015: Quiz three not graded closes Sunday Nov 22nd leven PM- Two attemtps are allowed
Control Panel
Started on Tuesday
11/29/2015 Fall 2015: Quiz three not graded closes Sunday Nov 22nd leven PM- Two attemtps are allowed
ﬂ / 15F-STATS112-1 / Week 7
/ Fall 2015: Quiz three not graded closes Sunday Nov 22nd leven PM- Two attemtps are allowed
Control Panel
Started on Tuesday
1 1/29/2015
Quiz Two- Like a review for midterm - several attempts allowed close October 29th at ten AM
ﬂ / 15F-STATS112-1 / Week 4
/ Quiz Two- Like a review for midterm - several attempts allowed close October 29th at ten AM
Started on
State
Completed on
11/29/2015 Fall 2015: Quiz one review - not graded - you can take it multiple time - opened Sep 21 and closes Oct 6
ﬂ / 15F-STATS112-1 / Week 1
/ Fall 2015: Quiz one review - not graded - you can take it multiple time - opened Sep 21 and closes Oct 6
Cont
11/29/2015 Quiz due Sunday October 18th be eleven PM (one-sam ple test of proportion)
ﬂ / 15F-STATS112-1 / Week 3 / Quiz due Sunday October 18th be eleven PM (one-sample test of proportion)
Control Panel
Started on Sunday, 18 October 2015, 7:20 PM
State F
Statistics 112
Statistical Reasoning for Social Sciences
University of California Los Angeles (UCLA)
DEPARTMENT OF STATISTICS
COURSE SYLLABUS (TENTATIVE)
Course:
Lecture Meeting:
Quarter:
Professor:
Office:
E-mail:
Phone:
Office Hours:
Textbook:
Weekly Sc
R Reference Card
by Tom Short, EPRI PEAC, tshort@epri-peac.com 2004-11-07
Granted to the public domain. See www.Rpad.org for the source and latest
version. Includes material from R for Beginners by Emmanuel Paradis (with
permission).
Getting help
Most R f
EBook Problems Set - Estimating
Population Proportion
a
Problem 1
A 1996 poll of 1,200 African American adults found that 708 think
that the American dream has become impossible to achieve.
The New Yorker magazine editors want to estimate the
proportion o
EBook Problems Set - Fundamentals of Hypothesis
Testing
Problem 1
Suppose you were hired to conduct a study to find out
which of two brands of soda college students think
taste better. In your study, students are given a blind
taste test. They rate one br
EBook Problems Set - Testing a Claim about a Mean: Large
Samples
Problem 1
Hong is a pharmacist studying the effect of an antidepressant drug. She organizes a simple random sample
of 100 patients, and then collect their anxiety test scores
before and afte
EBook Problems Set - The Central Limit Theorem
Problem 1
Which of the following would make the sampling distribution of the
sample mean narrower? Check all answers that apply.
Choose at least one answer.
(a) A smaller population standard deviation
(b) A s
STATS 112: Lab #4
Students Survey Data
Dr. Akram Almohalwas
1. Exploratory Data Analysis
For this lab, we will explore a VERY exciting dataset. It comes from a survey given
to UCLA stats 10 students in 2008.it asks very critical questions such as gender,
STATS 112
Lab #5
SIMPLE LINEAR REGRESSION
Dr. Akram Almohalwas
1. Background:
In this exercise, we will look at some data collected from Facebook in December
2007 for a web mining project. We will use this data to explore the relationship between
the numb
STATS 112: Intro to Lab Activities
Lab #1
Descriptive statistics on Students Survey Data
Dr. Akram Almohalwas
1. Exploratory Data Analysis
For this lab, we will explore a VERY exciting dataset. It comes from a survey given
to UCLA stats 10 students in 200
STATS 112: Lab #3
Students Survey Data
Dr. Akram Almohalwas
1. Exploratory Data Analysis
For this lab, we will explore a VERY exciting dataset. It comes from a survey given
to UCLA stats 10 students in 2008.it asks very critical questions such as gender,
#1)
Set the downloads as the working directory (needs to be downloads to get the csv data type)
lab6 <- read.csv("facebook.csv", header=TRUE)
attach(lab6)
check that it is there
head(lab6)
#2)
"for each variable in the data set" = Friends, Wall.Posts Frie