Midterm Exam
Instructor: Tessa Childers-Day
Stat 20
18 July 2013
Please write your name and student ID below, and circle your section. With your
signature, you certify that you have not observed poor or dishonest conduct on the part of
your classmates. Yo
Syllabus
Statistics 20 : Introduction to Probability and Statistics
Summer 2013
Do you remember applying to UC Berkeley and wondering if you would get in? Perhaps you turned to the Wikipedia
entry for Cal and found that for Berkeley freshmen, the SAT inte
Statistics 20: Midterm Solutions
Summer Session 2007
1. [20 points] Pressure and Boiling Points.
(a) [5 points] What is the equation of the regression line for predicting P RES from
T EMP ?
Solution: Here the x variable is TEMP in Fahrenheit and the y var
Stat 20 Midterm 1 Review
February 7, 2007
This handout is intended to be a comprehensive study guide for the rst Stat 20 midterm exam. I have
tried to cover all the course material in a way that targets what you need to know to do well on the test. If
you
Solutions to Midterm 1practice test questions:
Chapter 1,2:
Q 5. My pet raccoon has to undergo a surgery. I know two veterinarians in the East
Bay area and what to decide which one is a better one, so I do some
No Sharing
Peter Vu
9/25/15
Stats 21
First Midterm RS
Ch 8: Correlation
1. Relationship of 2 variables can be shown via scatter diagram
a. When scatter diagram is tightly clustered near a line, there is a stronger linear
association
2. Scatter diagram sum
Syllabus
Statistics 20 : Introduction to Probability and Statistics
Summer 2013
Do you remember applying to UC Berkeley and wondering if you would get in? Perhaps you turned to the Wikipedia
entry for Cal and found that for Berkeley freshmen, the SAT inte
Stat 20: Intro to Probability and Statistics
Lecture 17: Using the Normal Curve with Box Models
Tessa L. Childers-Day
UC Berkeley
20 March 2014
Todays Goals
Probability Histograms
Probability Histogram Normal Curve
Central Limit Theorem
Outline
1 Todays G
2014223
Stat 20 Schedule 2014
Stat 20 Schedule 2014 : Sheet1
Tentative Schedule
This schedule is subject to change at any time. Please check back often to see the most recent changes/updates. All
Freedman, Pisani, and Purves (FPP), unless otherwise noted.
MATH-134
MATH-134
Experimental Design
How to Handle Confounding?
Controlled Experiment: Researchers assign treatment and control
groups and examine any resulting changes in the response variable.
(cause-and-eect conclusion)
Controlled Experiments: Researc
Midterm Exam
Instructor: Tessa Childers-Day
Stat 20
18 July 2013
Please write your name and student ID below, and circle your section. With your
signature, you certify that you have not observed poor or dishonest conduct on the part of
your classmates. Yo
Midterm Exam
Instructor: Tessa Childers-Day
Stat 20
12 July 2012
Please write your name and student ID below, and circle your section. With your
signature, you certify that you have not observed poor or dishonest conduct on the part of
your classmates. Yo
Midterm Exam
Instructor: Tessa Childers-Day
Stat 20
12 July 2012
Please write your name and student ID below, and circle your section. With your
signature, you certify that you have not observed poor or dishonest conduct on the part of
your classmates. Yo
Chapter29:ACloserLookatTestsof
Significance
When performing a test of significance, we should:
summarize the data
say which test was used, 1-tailed or 2-tailed
report a P-value
The 1% and 5% rules are guidelines only a P-value
of 4.9% is not very diffe
Midterm Guidelines
Statistics 20 : Introduction to Probability and Statistics
Spring 2014
Exam Details: The midterm exam will be Tuesday, March 11 in lecture, lasting 80 minutes. It will begin promptly
at 5:10pm, so arrive early if possible. It will end a
Experiments and Observational Studies
Recall basic denitions:
Population
Sample
Response variable
Explanatory variable
1
2
3
4
Articles in the New York Times
http:/www.nytimes.com/2009/01/27/health/research/27long.html?
scp=1&sq=pope%20air%20pollutio
Stat 20
Quiz 1
February 10, 2014
Please write your name below and circle your section.
Answer the questions in the space provided. There are questions on the back.
This quiz covers material from Homeworks 1 a
Stat 20
Quiz 1
February 10, 2014
Please write your name below and circle your section.
Answer the questions in the space provided. There are questions on the back.
This quiz covers material from Homeworks 1 a
Stat 20
Quiz 1
February 10, 2014
Please write your name below and circle your section.
Answer the questions in the space provided. There are questions on the back.
This quiz covers material from Homeworks 1 a