Announcements:
First midterm is a week from Monday (Oct 18), covering
Chapters 1 to 6. Sample questions (and answers) have
been on course website all along. Mixture of freeresponse and multiple choic
Announcements:
Midterm Monday. Bring calculator and one sheet
of notes. No calculator = cell phone!
Assigned seats, random ID check.
Review Friday. Review sheet posted on website.
Mon discussion i
Announcements:
We will start using R Commander again, so see one of
us if you are still having problems downloading it.
Next Friday I will be out of town, Shandong Min will
give the lecture.
Homewor
Homework: Due Wed, Nov 3rd
Chapter 8, # 48a, 55c and 56 (count as 1), 67a
Announcements:
There are some office hour changes for Nov 5, 8, 9 on website
Week 5 quiz begins after class today and ends a
This week: Chapter 9 (will do 9.6 to 9.8 later, with Chap. 11)
Understanding Sampling Distributions:
Statistics as Random Variables
ANNOUNCEMENTS:
Shandong Min will give the lecture on Friday.
See w
Stats 8 spring 2016 (Baldi) Midterm 1 SOLUTIONS
Problem 1 (9 points) The Ebola virus is extremely contagious and often fatal. West Africa
experienced a horrific outbreak of Ebola in 2014. Here are the
Descriptive statistics
PSLS chapters 1 & 2
Part II: issues and examples
Copyright Brigitte Baldi 2016
Quantitative or categorical variable? Ask:
What/who are the individuals/units in the data set?
Wh
Probability
PSLS chapters 9 and 10
Copyright Brigitte Baldi 2016
Randomness and probability
Random event
Random variable
Probability of getting a given outcome for a random event
Properties of the ev
Correlation and Regression
PSLS chapters 3 and 4
Copyright Brigitte Baldi 2016
In a experiment, 16 student volunteers at
Subject
the Ohio State University drank a randomly
assigned number of cans of
Announcements
Please make sure you register your clicker at
the clicker website. Link at course webpage.
When you turn in homework, please do
problems in the order assigned. (All of Friday,
then Mon
Announcements:
You can turn in homework until 6pm, slot on
wall across from 2202 Bren. Make sure you
use the correct slot! (Stats 8, closest to wall)
We will cover Chs. 5 and 6 first, then 3 and 4.
Statistics 8, Fall 2010, Professor Utts
HW 5, Due Nov 3, page 1
Homework 5 Solutions
Wed, Oct 27 assignment from file on website
Chapter 8: #33, 39, 87
Chapter 8: 48a, 55c and 56 (count as 1), 67a
Ass
Statistics 8, Fall 2010, Professor Utts
HW 3, Due Oct 15, page 1
Homework 3 Solutions
Chapter 6: # 44*, 45*, 50bcde, 52 (*44 and 45 count together for one point)
Chapter 3: #13, 23, 63, 86
Chapter 4:
Statistics 8, Fall 2010, Professor Utts
HW 6, Due Nov 8, page 1
Homework 6 Solutions
Chapter 9: #15, 25, 37, 44
Chapter 9: #50 (Each of the 6 parts counts as 1 point)
Chapter 10: (NOT TO HAND IN) #5,
Statistics 8, Fall 2010, Professor Utts
HW 7, Due Nov 19, page 1
Homework 7 Solutions
Chapter 12: #15b and 16b (15b and 16b count as 1 point together), 19, 85 (85 counts double)
Chapter 12: #62, 83, 1
Statistics 8
Sample Midterm 2 KEY
There are 6 problems on 3 pages. Each part of each problem is worth 6 points except as shown. A copy of
Table A.1 is attached. Show all work.
1. An herbal treatment i
STATISTICS 8
CHAPTERS 1 TO 6, SAMPLE MULTIPLE CHOICE QUESTIONS
Correct answers are in bold italics.
This scenario applies to Questions 1 and 2: A study was done to compare the lung capacity of
coal mi
Statistics 8
Sample Midterm 1 Solutions
NAME:
Student ID#:
One page of notes allowed. You should have 8 problems on 3 pages. Each part of each problem is 5 points.
1. Eleven students were asked to mea
STATISTICS 8: CHAPTERS 7 TO 10, SAMPLE MULTIPLE CHOICE QUESTIONS
1. If two events (both with probability greater than 0) are mutually exclusive, then:
A. They also must be independent.
B. They also co
STATISTICS 8
Professor Jessica Utts
http:/www.ics.uci.edu/~jutts/8
Course Goals
Help you understand and appreciate how
statistics affects your daily life.
Teach you tools for understanding statistic
Announcements
Quiz 1 available at 1pm. If you do not receive an
email telling you it is available, you need to contact
me so I can add you to the list.
list
Office hours on web were wrong. They were
Collecting data
PSLS chapters 7 and 8
Copyright Brigitte Baldi 2016
Population versus sample
!
Population
" parameter
!
Sample
" statistic
population
sample
Descriptive Statistics: using numerical an