NAME: _
I.D.: _
TEST TWO
PROBABILITY AND STATISTICS, 15A
OCTOBER 26, 2012
1. Draw a boxplot for the below data. Please draw it horizontally and use at least 80% - 90% of the width of the page. You will lose
points if you do not. If you make one error, you
NAME: _
I.D.: _
TEST ONE
PROBABILITY AND STATISTICS, ECON 15A
APRIL 13, 2012
1. You want to determine how many loaves of Original Sheepherder Bread are sold per day at Schats Bakery in Bishop, California
[for the year 2011]. You stand outside for ten diff
NAME: _
I.D.: _
TEST TWO
PROBABILITY AND STATISTICS, ECON 15A
APRIL 27, 2012
1. In Lemon County, each political precinct had higher proportion of Democrats voting than Republicans voting. Is it possible that
when we combine the precincts and look at all o
UNIVERSITY OF CALIFORNIA, IRVINE
BERKELEY DAVIS IRVINE LOS ANGELES MERCED RIVERSIDE SAN DIEGO SAN FRANCISCO
SANTA BARBARA SANTA CRUZ
STUDY INFORMATION SHEET
Title of study: Models vs. Experiments of Finance and Risk
Lead researcher: Julia Elyachar, Ph.D.,
Econ 15A, Probability and Statistics in Economics! Name _. _
Test 2 Version A
Studem Wit .
You will have 50 minutes to complete this test. This test consists of 10 multiple choice questions and
five Short answer questions. You will choose four
TEST FIVE
PROBABILITY AND STATISTICS, ECON 15A
DECEMBER 12, 2012
1. 60% of all accidents involve a driver who had been texting. What is the probability that out of six random accidents, two did
not involve a driver who had been texting? (Meaning four did
Homework #1
A hard copy is due in class on Tuesday, February 14, 2017.
Late homeworks are
not accepted. If you cannot make it to lecture, you should arrange to hand in your
homework ahead of time. For data, you must use the August 2016 CPS data set.
Your
(AME: I.D.:
TEST ONE
PROBABILITY AND STATISTICS, ECON 15A
APRIL 11, 2014
1. You want to determine how many loaves of Original Sheepherder Bread are sold per day at Schats Bakery in Bishop, California
[for the year 2013]. You stand outside for ten differ
NAME: _
I.D.: _
TEST ONE
PROBABILITY AND STATISTICS, ECON 15A
APRIL 13, 2012
1. You want to determine how many loaves of Original Sheepherder Bread are sold per day at Schats Bakery in Bishop, California
[for the year 2011]. You stand outside for ten diff
Stuff I Need to Know for Econ 15B
How to Understand and Use This Document:
This document contains a large number of specific questions (aka NeedToKnows actual exam
questions may differ; cf. below). They will eventually encompass everything you need to kno
NAME: _
I.D.: _
TEST FOUR
PROBABILITY AND STATISTICS, ECON 15A
MAY 25, 2012
1 2. (Two questions 20 points). There is a random variable X. It has the probability distribution of f(x) = 0.8 0.1x, for 2 < x < 4.
What is E(X)? Show all work.
2
4
3 4.
5.
(Two
NAME: _
I.D.: _
FINAL
PROBABILITY AND STATISTICS, ECON 15A
JUNE 11, 2012
1.
The rows in a data table (spreadsheet) are called _, and the columns are called _.
2.
If P(X) = P(Y), are X and Y iid? Please explain.
3. Researchers compared the performance of f
Chapter 2: Variables, Measurements, Explanations
1
Seven Types of Measurement
5 scales, 2 more types you will see in econometrics Basic Idea: Just because you used some numbers to represent some empirical data you're interested in does NOT mean that the
NAME: -. 13).:
TEST TWO
PROBABILITY AND STATISTICS, ECON 15A
OCTOBER 25, 2013
1. Rory wants to know what the relationship between income and education is in the US. He collects a random sample of 10,000
people and calculates the correlation coefcient. Amy
Solutions to Homework 10
Raffaele B. Mari, CPA
Due November 18, 2010
Econ 25 Econ of Acctg.
EXERCISE 12-6
FELIX CORPORATION
Statement of Cash FlowsIndirect Method
For the Year Ended December 31, 2010
Cash flows operating activities
Net income .
Adjustment
Page 1 of 49
Jump directly to the WORKED EXAMPLES available on the class website.
Jump directly to the OneNote note notebook (with multiple pages); the link address is
also on the class website.
Stuff I Need to Know for Econ 15A
These questions represent
Homework 2
1. Basic Sample:
General Sample:
Hypothesis Testing for WAGES
Date: 12/03/14 Time: 13:31
Sample: 1 14333 IF AGE>=22 AND AGE<=28 AND HOURS>=40
AND
EDUCATION=43
Included observations: 386
Test of Hypothesis: Mean = 45000.00
Sample Mean = 47805.12
NAME: _
I.D.: _
TEST TWO
PROBABILITY AND STATISTICS, ECON 15A
OCTOBER 23, 2015
1. What is an advantage of Cramers V compared with lambda? (Note: Lambda has advantages over Cramers V, as well. Please do
not address these stick to the question.)
It will mea
Page 1! of 60
!
Stuff I Need to Know for Econ 15A
How to Understand and Use This Document:
This document contains a large number of specific questions (aka NeedToKnows
actual exam questions may differ; cf. below). They will eventually encompass
everythin
A major purpose of note-taking described in class was to create a record of all of the facts from the original work. F
According to the Yale Writing Center (nd), one purpose of proper attribution in scholarly research is To Recreate a
Sense of Lively Deba
Page 1 of 60
Stuff I Need to Know for Econ 15A
How to Understand and Use This Document:
This document contains a large number of specific questions (aka NeedToKnows
actual exam questions may differ; cf. below). They will eventually encompass
everything y
Page 1 of 54
YOU ARE STRONGLY ENCOURAGED TO STUDY THE
Worked Examples
and to consider the:
OneNotes
Page 2 of 54
Stuff I Need to Know for Econ 15A
These questions represent everything you need to know for the upcoming exam (only
as far as we have covered
The FIFTEEN QUESTIONS follow
1) Five cards are dealt, what is the probability that the 5th one is a king?
[4/52]
2) Five cards are dealt, what is the probability that the 5th one is a king, given that the first four are queens?
[4/48]
3) Five cards are de
MEASUREMENTS
Ratio: ex. Length, weight
*same thing is twice as long
-zero means absence of can
mmultiply/div
Interval: ex. Temp, calendar
dates, time
*numbers have value but zero
is not special
*can add & subtract
Ordinal: ex. Preferences,
rankings, grade