Practice Problems from Levine, Stephan,
Krehbiel and Berenson, Statistics for Managers, 6th Ed.,
Prentice-Hall, 2011
BASIC DATA ANALYSIS:
Chapter 2: 2.32 a,c (use excel), 2.99 a,b,d (not percentage po
3
Numerical Descriptive
Measures
USING STATISTICS @ Choice Is
Yours, Part II
3.1
3.2
Central Tendency
The Mean
The Median
The Mode
The Geometric Mean
Variation and Shape
The Range
The Variance and the
Solutions to selected odd problems
Chapter 2
2.57
a. x = (4 + 2 + 1 + 0 + 1) / 5 = 1.6
Using Excel: =average(First cell:Last cell) or use Descriptive Statistics from
Tools/Data Analysis
2.67
a. Range
Baruch College, CUNY
POL 3318 (NET): The Politics of Immigration
and Integration in the United States
ONLINE COURSE
Spring 2017
Professor Els de Graauw
Department of Political Science
http:/elsdegraau
Tiah Milller
532 East 99th street
Brooklyn, NY 11236
Please consider this letter of introduction as an expression of my interest with your
organization. Attached you will find my resume regarding work
An Introduction to Basic Statistics and Probability
Shenek Heyward NCSU
An Introduction to Basic Statistics and Probability p. 1/4
Outline
Basic probability concepts Conditional probability Discrete R
STATISTICS FORMULAS
DESCRIPTIVE STATISTICS:
HYPOTHESIS TESTING MEANS:
MEAN:
STANDARD ERROR:
VARIANCE:
MARGIN OF ERROR: m =
STANDARD DEVIATION:
CONFIDENCE INTERVAL: C.I. =
STANDARD ERROR:
SAMPLE SIZE F
HomeWorkQuestions(ChapterThree)
Note: You are allowed to use only a calculator in this homework
Q1 Below is the five-number summary of salaries (in $) for a sample of U.S. marketing
managers.
Min
4636
Math 251: Practice Questions Hints and Answers Part I. Questions from Chapters 13 I.A: Levels of Data, Types of Samples I.A.1. Categorize the following data according to level: nominal, ordinal, inter
Rules of Probability
Often, we want to compute the probability of an event from the known probabilities of other
events. This lesson covers some important rules that simplify those computations.
Defin
Example: A Poker Hand
The game of poker has many variants. Common to all is the fact that players get - one way or
another - hands of five cards each. The hands are compared according to a predetermin
Chapter 8
Item:
Answers:
Chapter 8 Practice
1. A random sample of 100 vehicles traveling on a rural section of highway had a
mean speed of 62 miles per hour. Assume the population standard deviation i