Solutions for Essentials of Statistics for Business and Economics, 10th Edition Camm (All Chapters included)
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Course
Introduction to Statistics
Institution
Introduction To Statistics
Complete Solutions Manual for Essentials of Statistics for Business and Economics, 10th Edition by Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson, Dennis J. Sweeney, Thomas A. Williams ; ISBN13: 9780357716014. (Full Chapters included Chapter 1 to 15).....
...
Essentials of Statistics for Business
and Economics
10th Edition by Jeffrey D. Camm
Complete Chapter Solutions Manual
are included (Ch 1 to 15)
** Immediate Download
** Swift Response
** All Chapters included
, Solution and Answer Guide
Camm/Cochran/Fry/Ohlmann/Anderson/Sweeney/Williams, Essentials of Statistics for Business
and Economics, 10e 9780357716014; Chapter 1: Data and Statistics
Table of Contents
Supplementary Exercises ............................................................................................................. 1
Supplementary Exercises
1. Wall Street Journal Subscriber Characteristics. A Wall Street Journal (WSJ) subscriber survey
asked 46 questions about subscriber characteristics and interests. State whether each of the
following questions provides categorical or quantitative data. LO 2
a. What is your age?
b. Are you married?
c. When did you first start reading the WSJ? High school, college, early career, midcareer, late
career, or retirement?
d. How long have you been in your present job or position?
e. What type of vehicle are you considering for your next purchase? Nine response categories
include sedan, sports car, SUV, minivan, and so on.
Solutions:
a. Quantitative
b. Categorical
c. Categorical
d. Quantitative
e. Categorical
2. Comparing Tablet Computers. Tablet PC Comparison provides a wide variety of information about
tablet computers. The company’s website enables consumers to easily compare different tablets
using factors such as cost, type of operating system, display size, battery life, and CPU manufacturer.
A sample of 10 tablet computers is shown in Table 1.6 (Tablet PC Comparison website). LO 1, 2
a. How many elements are in this data set?
b. How many variables are in this data set?
c. Which variables are categorical and which variables are quantitative?
d. What type of measurement scale is used for each of the variables?
, Solutions:
a. The 10 elements are the 10 tablet computers.
b. Five variables: Cost ($), Operating System, Display Size (inches), Battery Life (hours), and
CPU Manufacturer
c. Categorical variables: Operating System and CPU Manufacturer
Quantitative variables: Cost ($), Display Size (inches), and Battery Life (hours)
d. Variable Measurement Scale
Cost ($) Ratio
Operating system Nominal
Display size (inches) Ratio
Battery life (hours) Ratio
CPU manufacturer Nominal
3. Tablet PCs: Cost, CPU, and Operating System. Refer to Table 1.6. LO 3
a. What is the average cost for the tablets?
b. Compare the average cost of tablets with a Windows operating system to the average cost of
tablets with an Android operating system.
c. What percentage of tablets use a CPU manufactured by TI OMAP?
d. What percentage of tablets use an Android operating system?
Solutions:
a. Average cost = 5829/10 = $582.90
b. Average cost with a Windows operating system = 3616/5 = $723.20
Average cost with an Android operating system = 1714/4 = $428.5
The average cost with a Windows operating system is much higher.
c. Ten of 10 or 20% use a CPU manufactured by TI OMAP
d. Four of 10 or 40% use an Android operating system
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