The Practice of Statistics for
Business and Economics
Third Edition
David S. Moore
George P. McCabe
Layth C. Alwan
Bruce A. Craig
William M. Duckworth
2011 W.H. Freeman and Company
Probability Theory
General Probability Rules
PSBE Chapter 5.1
2011 W.H.
MATH 2560: ELEMENTARY STATISTICS I - ASSIGNMENT I
The assignment is due on Monday, September 22nd, at the beginning of class. Late assignments
will not be accepted.
(1) 1.19, 1.25, 1.36ab, 1.43, 1.70, and 1.82 from the textbook.
(2) The website contains l
HOW TO RANDOMLY ASSIGN TREATMENTS
EXCEL:
Suppose that I have a group of 10 students and I wish to randomly assign them to one of two
treatment groups (treatment 1 and treatment 2). Here is a simple way that we can do this using
Excel.
Assign the students
REGRESSION ON A COMPUTER
EXCEL:
Scatterplot:
For example, open the le ex02 041.xls.
Click on the chart wizard, and select XY (scatter) with the very rst sub-type. Click
Next.
Select the range of the data, and click on Columns, then Finish.
Correlation:
REVIEW LECTURES - FEBRUARY 2nd AND 4th
Prior to graduation, a high school class was surveyed about their plans after high school. The
table below displays the results by gender.
University College Military Work Other
Male
198
36
4
14
16
Female
176
36
1
3
MATH 2560 TEST 1
Friday, October 10; 50 minutes
NAME:
S O L U ~ I .O ~ ~ ~
STUDENT NUMBER:
There are 7 questions on this test, worth a total of 55 points. The questions are in no particular
order.
Make sure that you show your work (when this is possible).
MATH 2560 TEST 2
Wednesday, February 1 1 ;50 minutes
NAME:
s
SOLT'FJ
STLIDENT NLIMBER:
There are 5 questions on this test, worth a total of 50 points. The questions are in no particular
order.
Make sure that you show your work (when this is possible). Whe
MATH 2560: ELEMENTARY STATISTICS I - FALL 2008
Statistics is a collection of methods for observing and analyzing numerical data in order to make
sensible decisions about them. In this course the basic ideas of the analysis of data and of statistical infer
POST TEST TWO PRACTICE QUESTIONS
As for the previous tests, I am assigning some questions from the online quizes available. I wont
repeat the instructions on how to access these; theyre still up with the test one practice questions.
Also, my numbering may
HOW TO FIND MEANS ETC. AND BOXPLOTS.
EXCEL:
Mean, median, .:
Open the le ta01 003.xls.
Select an empty cell and click on it. Click on the Function Wizard.
Select the function average, select the range for the data and hit Enter. Done. Put a
label besid
ADDITIONAL NOTES FOR SECTION 5.2
In this section we look at the sampling distribution of the sample mean. In this section you need
to learn the following:
(1) How to calculate the mean and standard deviation of the sample mean (well learn the
formulas).
(
A VERY SHORT REVIEW - FEBRUARY 18th
Heres a quick review of the rst part of the course. By no means is this comprehensive!
1.1 Displaying Distributions with Graphs
Two types of variables: categorical and quantitative.
Bar graphs or pie charts show behav
ADDITIONAL NOTES FOR SECTION 5.1
In this section you need to learn the following:
(1) How to recognize the Binomial distribution.
(2) The relationship between the Binomial distribution and the sample proportion.
(3) How to calculate the mean and standard
MATH 2560: ELEMENTARY STATISTICS I - FALL 2008
ACTUAL COVERAGE:
Week
Date
1
Exercises
Sept.3
Introduction, syllabus & student survey.
Become familiar with the material on the website. Check
out the links.
Sept.5
2
Topic
Section 1.1: data (individuals, var
HOW TO MAKE A BAR GRAPH AND PIE CHART
This note explains how to create the bar graphs and pie charts for exercise 1.18 in the text.
EXCEL:
Bar graph:
Open the le ex01 018.xls.
We want to create a bar graph of the percents, and not the weights. One way t
HOW TO MAKE A HISTOGRAM
This note explains how to create the histograms for the call lengths of Figure 1.4 in your textbook.
EXCEL:
If you dont see Data Analysis. under the Tools drop-down menu, you will need to
install the Analysis add-in. The good news
MATH 2560: ELEMENTARY STATISTICS I - ASSIGNMENT II
The assignment is due on Friday, October 24th, at the beginning of class. Late assignments will
not be accepted.
(1) 3.118, 3.28, 2.150, 2.138, 2.74, 2.96, 3.104 from the textbook.
In 2.138b, also answer
MATH 2560: ELEMENTARY STATISTICS I - ASSIGNMENT III
The assignment is due on Friday, February 13th, at the beginning of class. Late assignments will
not be accepted. Please note that this assignment is optional.
(1) 4.28, 4.30, 4.38, 4.64, 4.74, 4.130, 4.
MATH 2560 Fall 2013
Assignment 2
Question 1: A formula for the number of possible combinations of k objects
from a set of n objects. This is written in any of the ways shown below
n
.
k
All forms are read aloud n choose k. Formula:
n(n 1)(n 2) . . . (n k
Math 2565 Section M
Quiz 6 Sample quiz on linear regression
Instructions: You may use the computer to use R or Excel. Show how you obtained
your answer for each question, i.e. you calculations and the main R or
Excel commands you used.
Duration:
15 minute
YORK: More sample midterm question for MATH 2565
1.Why does Hans Rosling say that students at the Karolinska Institute know statistically significantly less
about the world than do chimpanzees - and professors at the Karolinska Institute are roughly on a
Assignment 3, MATH 2560, Due November 16th
Question 1: all graphs and calculations have to be done using the computer
The following table gives the 1999 payroll (rounded to the nearest million dolars) and the
percentage of games won during the 1999 season
Assignment 3, MATH 2560, Due November 16th
Question 1: all graphs and calculations have to be done using the computer
The following table gives the 1999 payroll (rounded to the nearest million dolars) and the
percentage of games won during the 1999 season
Department of Mathematics & Statistics
Math2560 (All Sections)
Solution for Assignment #2
Question 1:
a. The 5 number summary is (27.0, 30.7, 31.7, 32.05, 33.3).
Note that Q1 is between 30.6 and 30.8 and Q3 is between 32.0 and 32.1.
Once you have the 5 nu