BuyFind*arrow_forward*

13th Edition

Anderson

Publisher: CENGAGE L

ISBN: 9781305881884

Chapter 8.2, Problem 17E

Textbook Problem

297 views

The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow.

Develop a 95% confidence interval estimate of the population mean rating for Miami.

To determine

Find the 95% confidence interval for the population mean ratings for Miami.

**Calculation:**

The given information is that the international air transport wants to develop the quality ratings for transatlantic gateway airports. The possible ratings are 1 to 10 in an increasing manner. The samples of 50 business travelers’ responses are noted.

**Software Procedure:**

Step-by-step procedure to obtain the mean value using the MINITAB software:

- Choose
**Stat > Basic Statistics > Display Descriptive Statistics**. - In
**Variables**enter the columns**Variable**. - Choose
**Statistics**and select the**mean, standard deviation and N total.** - Click
**OK**.

Output using the MINITAB software is given below:

From the output, the mean value is 6...

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Show all chapter solutions

Ch. 8.1 - A simple random sample of 40 items resulted in a...Ch. 8.1 - A simple random sample of 50 items from a...Ch. 8.1 - A simple random sample of 60 items resulted in a...Ch. 8.1 - A 95% confidence interval for a population mean...Ch. 8.1 - Data were collected on the amount spent by 64...Ch. 8.1 - In an attempt to assess total daily travel taxes...Ch. 8.1 - The average annual cost of the first year of...Ch. 8.1 - Studies show that massage therapy has a variety of...Ch. 8.1 - The mean cost to repair the smoke and fire damage...Ch. 8.1 - Costs are rising for all kinds of medical care....

Ch. 8.2 - For a t distribution with 16 degrees of freedom,...Ch. 8.2 - Find the t value(s) for each of the following...Ch. 8.2 - The following sample data are from a normal...Ch. 8.2 - A simple random sample with n = 54 provided a...Ch. 8.2 - Sales personnel for Skillings Distributors submit...Ch. 8.2 - A sample containing years to maturity and yield...Ch. 8.2 - The International Air Transport Association...Ch. 8.2 - Older people often have a hard time finding work....Ch. 8.2 - The mean cost of a meal for two in a mid-range...Ch. 8.2 - The average annual premium for automobile...Ch. 8.2 - Health insurers are beginning to offer...Ch. 8.2 - Marvel Studios motion picture Guardians of the...Ch. 8.3 - How large a sample should be selected to provide a...Ch. 8.3 - The range for a set of data is estimated to be 36....Ch. 8.3 - Refer to the Scheer Industries example in Section...Ch. 8.3 - The U.S. Energy Information Administration (US...Ch. 8.3 - Annual starting salaries for college graduates...Ch. 8.3 - Many medical professionals believe that eating too...Ch. 8.3 - Customers arrive at a movie theater at the...Ch. 8.3 - There has been a trend toward less driving in the...Ch. 8.4 - A simple random sample of 400 individuals provides...Ch. 8.4 - A simple random sample of 800 elements generates a...Ch. 8.4 - In a survey, the planning value for the population...Ch. 8.4 - At 95% confidence, how large a sample should be...Ch. 8.4 - The Consumer Reports National Research Center...Ch. 8.4 - According to statistics reported on CNBC, a...Ch. 8.4 - One of the questions on a survey of 1000 adults...Ch. 8.4 - According to Franchise business review, over 50%...Ch. 8.4 - In 16% of all homes with a stay-at-home parent,...Ch. 8.4 - For many years businesses have struggled with the...Ch. 8.4 - Fewer young people are driving. In 1983, 87% of...Ch. 8.4 - A poll for the presidential campaign sampled 491...Ch. 8.4 - The Pew Research Center Internet Project,...Ch. 8 - A sample survey of 54 discount brokers showed that...Ch. 8 - A survey conducted by the American Automobile...Ch. 8 - The 92 million Americans of age 50 and over...Ch. 8 - Russia has recently started a push for stronger...Ch. 8 - The Health Care Cost Institute tracks health care...Ch. 8 - A recent article reported that there are...Ch. 8 - Mileage tests are conducted for a particular model...Ch. 8 - In developing patient appointment schedules, a...Ch. 8 - Annual salary plus bonus data for chief executive...Ch. 8 - The National Center for Education Statistics...Ch. 8 - A USA Today/CNN/Gallup survey of 369 working...Ch. 8 - The Pew Research Center has conducted extensive...Ch. 8 - A survey of 750 likely voters in Ohio was...Ch. 8 - The Centers for Disease Control reported the...Ch. 8 - A well-known bank credit card firm wishes to...Ch. 8 - Workers in several industries were surveyed to...Ch. 8 - Although airline schedules and cost are important...Ch. 8 - Young Professional Magazine Young Professional...Ch. 8 - Gulf Real Estate Properties Gulf Real Estate...Ch. 8 - Metropolitan Research, Inc. Metropolitan Research,...

Find more solutions based on key concepts

Show solutions Which of the following is a positive, rather than a normative, statement? a. Law X will reduce national income....

Principles of Microeconomics (MindTap Course List)

Exercise 34 presented the following data on endotoxin concentration in settled dust both for a sample of urban ...

Probability and Statistics for Engineering and the Sciences

Recall that money serves three functions in the economy. What are those functions? How does inflation affect th...

Brief Principles of Macroeconomics (MindTap Course List)

(The Short-Run Firm Supply Curve) Use the following data to answer the questions below: Q VC MC AVC 1 $10 ____ ...

ECON: MICRO4 (New, Engaging Titles from 4LTR Press)

For each of the following pairs, which bond would you expect to pay a higher interest rate? Explain. a. a bond ...

Principles of Macroeconomics (MindTap Course List)

Water is necessary for life. Is the marginal benefit of a glass of water large or small?

Principles of Economics (MindTap Course List)

How do a strategic plan, a tactical plan, and an operational plan differ? What do they all have in common?

Foundations of Business (MindTap Course List)

Suppose you were comparing a discount merchandiser with a high-end merchandiser. Suppose further that both comp...

Fundamentals of Financial Management, Concise Edition (MindTap Course List)

Identifying the AIDA Strategy in Sates Messages: YOUR TASK. Select a one- or two-page sales letter or promotion...

Essentials of Business Communication (MindTap Course List)

Amortization entries Kleen Company acquired patent rights on January 10 of Year 1 for 2,800,000. The patent has...

Corporate Financial Accounting

What are the comparative advantages of the various data coding types discussed in Technology Summary 5.2 (pp. 1...

Accounting Information Systems

Describe how the relationship between the stated rate and yield rate afTect the price at which bonds are sold.

Cornerstones of Financial Accounting

YIELD TO MATURITY AND FUTURE PRICE A bond has a 1,000 par value, 12 years to maturity, and an 8% annual coupon ...

Fundamentals Of Financial Management, Concise Edition (mindtap Course List)

In words, what is put-call parity?

Fundamentals of Financial Management (MindTap Course List)

Classifications of receivables The Boeing Company is one of the worlds major aerospace firms with operations in...

Financial & Managerial Accounting

In what order are the accounts customarily placed in the ledger?

College Accounting, Chapters 1-27

Entries for issuing bonds and amortizing premium by straight-line method Smiley Corporation wholesales repair p...

Financial And Managerial Accounting

Garcia Realty Co. pays weekly salaries of 17,250 on Friday for a five-day workweek ending on that day. Journali...

Financial Accounting

Which one of the business tactics described in the text did the Bissell brothers use to become business owners?...

Management, Loose-Leaf Version

Classify the following topics as relating to microeconomics or macroeconomics. a. a familys decision about how ...

Essentials of Economics (MindTap Course List)

Explain how relation-ship marketing can move customers up the loyalty ladder.

Contemporary Marketing

Develop an appropriate business mission statement

MKTG 12:STUDENT ED.-TEXT

The following units of an item were available for sale during the year: The firm uses the perpetual inventory s...

Financial Accounting

Classifying costs The following is a list of costs (hai were incurred in (he production and sale of large comme...

Financial & Managerial Accounting

Prince Corporations accounts provided the following information at December 31, 2019: What should be the curren...

Intermediate Accounting: Reporting And Analysis

What is the relationship between tests of controls and substantive tests?

Accounting Information Systems

Identify the three forms of accounting certification. Which form of certification do you believe is best for a ...

Managerial Accounting: The Cornerstone of Business Decision-Making

Rogan Companys total sales on account for the year amounted to 327,000. The company, which uses the allowance m...

College Accounting (Book Only): A Career Approach

What will happen to the supply of dollars, the demand for dollars, and the equilibrium exchange rate of the dol...

Exploring Economics

What is the difference between a positive and a normative statement? Give an example of each.

Principles of Macroeconomics (MindTap Course List)

The following is a list of six control plans from this chapter or from Chapters 9, 10, and 11. Control Plans A....

Pkg Acc Infor Systems MS VISIO CD

Entries for treasury stock On May 27, Hydro Clothing Inc. reacquired 75,000 shares of its common stock at 8 per...

Accounting (Text Only)

GROSS PROFIT SECTION OF DEPART MENTAL INCOME STATEMENT Nicole Lawrence and Josh Doyle are partners in a busines...

College Accounting, Chapters 1-27 (New in Accounting from Heintz and Parry)

How does the deductibility of interest and dividends by the paying corporation affect the choice of financing (...

Fundamentals of Financial Management (MindTap Course List)

What would be the net income for Floress Catering? a. 45,500 b. 16,800 c. 19,800 d. 10,800

College Accounting (Book Only): A Career Approach

BOND VALUATION Clifford Clark is a recent retiree who is interested in investing some of his savings in corpora...

Fundamentals of Financial Management, Concise Edition (with Thomson ONE - Business School Edition, 1 term (6 months) Printed Access Card) (MindTap Course List)

If a politician running for office does not speak in general terms, does not try to move to the middle of the p...

Economics (MindTap Course List)

Does the theory of contestable markets shed any light on oligopoly pricing theories? Explain your answer.

Microeconomics

Which of the following decreases supply in the market for pizza? a. Pizza shop employees successfully organize ...

Economics For Today

If currency held outside banks is 200 billion and M1 is 600 billion, do we know for sure how much checkable dep...

Macroeconomics

The PC Tech company assembles and then tests two models of computers, Basic and XP. For the coming month, the c...

Practical Management Science

In determining the existence of an employer/employee relationship, what tests are applied by the U.S. Departmen...

PAYROLL ACCT.,2019 ED.(LL)-TEXT

Net income and stockholders equity for four businesses Four different corporations, Amber, Blue, Coral, and Daf...

Corporate Financial Accounting

Potter Company has installed a JIT purchasing and manufacturing system and is using back-flush accounting for i...

Cornerstones of Cost Management (Cornerstones Series)

Managing Supplier Quality: Integrated Devices Bill Edwards is a quality engineer assigned to the Injected Moldi...

Purchasing and Supply Chain Management

accounting equation Determine the missing amount for each of the following:

Survey of Accounting (Accounting I)

A factorial experiment involving two levels of factor A and three levels of factor B resulted in the following ...

Essentials Of Statistics For Business & Economics

Statistical Literacy You are conducting a study of students doing work-study jobs on your campus. Among the que...

Understanding Basic Statistics

SOC Nationally, the per capita monthly fuel oil bill is 110. A random sample of 36 cities in the South-east ave...

Essentials Of Statistics

If the alpha level is changed from =.05 to =.01 What happens to the boundaries for the critical region? What ha...

Statistics for The Behavioral Sciences (MindTap Course List)

Use summation notation lo express each of the following calculations a. Add the scores and then square the sum....

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Explain how a simple modification of the posttest-only nonequivalent control group design increases internal va...

Research Methods for the Behavioral Sciences (MindTap Course List)

The authors of the paper Delayed Time to Defibrillation after In-Hospital Cardiac Arrest (New England Journal o...

Introduction To Statistics And Data Analysis

Explain the difference among the terms research strategy, research design, and research procedure.

Research Methods for the Behavioral Sciences (MindTap Course List)

Decompose each fraction into partial fractions. x3+3x2+6x+6x2+x+5x2+1

College Algebra (MindTap Course List)

Find the sum of the series n=1(1)n+1n5 correct to four decimal places.

Multivariable Calculus

In Exercises 7-28, perform the indicated operations and simplify each expression. 15. 4x295x26x+9

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Let G(x,y) be “ x2y .” Indicate which of the following statements are true and which are false G(2,3) G(1,1) G ...

Discrete Mathematics With Applications

The polar equation of the conic with eccentricity 3 and directrix x = −7 is:

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

In Exercises 5-8, graph the given function or equation. y=2x+5

Finite Mathematics

Prove that |x y| |x| |y|. [Hint: Use the Triangle Inequality with a = x y and b = y.]

Single Variable Calculus

Finding the Slope and y-Intercept In Exercises 5-16, find the slope and y-intercept (if possible) of the equati...

Calculus: An Applied Approach (MindTap Course List)

For Problems 15, answer true and false. In the equation y=kx, the k is a quantity that varies directly as y.

Intermediate Algebra

CROP PLANNING A farmer has 150 acres of land suitable for cultivating Crops A and B. The cost of cultivating Cr...

Finite Mathematics for the Managerial, Life, and Social Sciences

Find for x = 3t2 + 1, y = t6 + 6t5.
t4 + 5t3
4t3 + 15t2

Study Guide for Stewart's Multivariable Calculus, 8th

Spherical-to-Rectangular ConversionIn Exercises 5158, find an equation in rectangular coordinates for the surfa...

Multivariable Calculus

Aircraft Glide Path A small aircraft starts its descent from an altitude of 1 mile, 4 miles west of the runway ...

Calculus: Early Transcendental Functions

Find the mean measurement for each set of measurements: 1.005; 1.102; 1.112; 1.058; 1.068; 1.115; 1.213

Elementary Technical Mathematics

Approximation In Exercises 3-6, approximate the integral Rf(x,y)dA by dividing the rectangle R with vertices (0...

Calculus: Early Transcendental Functions (MindTap Course List)

Growth RateIn Exercises S-17 through S-21, you are asked about the growth factor of an exponential function N=N...

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

The management of a hotel conducted a survey. ft found that of the 2560 guests who were surveyed. 1785 tip the ...

Mathematical Excursions (MindTap Course List)

Simplify the expressions in Exercises 5764, given that x,y,z,a,b, and c are positive real numbers. a2b2

Applied Calculus

Rewrite each expression in Exercises 116 as a single rational expression, simplified as much as possible. 2x3x2...

Finite Mathematics and Applied Calculus (MindTap Course List)

Rationalize the expression and simplify. (a) 1052 (b) 4+h2h

Single Variable Calculus: Early Transcendentals

Solve the differential equation y=x+y by making the change of variable u=x+y.

Calculus (MindTap Course List)

In Exercises 15 to 20, find the lengths of the sides named by the variables. Use either Table 11.2 or a calcula...

Elementary Geometry For College Students, 7e

True or False
Label each of the following statements as either true or false.
.

Elements Of Modern Algebra

Simplify Simplify the rational expression. 17. x2x24

Precalculus: Mathematics for Calculus (Standalone Book)

True or False? In Exercises 7780, determine whether the statement is true or false. If it is false, explain why...

Calculus of a Single Variable

In Exercises 926. use the given information to draw a right triangle labeled like the one shown in Figure 8.89....

Mathematics: A Practical Odyssey

Find the unknown area, base, or height for each of the triangles 7 through 18. Where necessary, round the answe...

Mathematics For Machine Technology

Using the Chain Rule In Exercises 3-6, find dw/dt using the appropriate Chain Rule. Evaluate dw/dt at the given...

Calculus (MindTap Course List)

In Problems 5-24, use matrices through. In Problems 5-20, perform the indicated operations when possible.
...

Mathematical Applications for the Management, Life, and Social Sciences

(a) If fo(x)=12x and fn+1=fofnforn=0,1,2,, find an expression for fn(x) and use mathematical induction to prove...

Single Variable Calculus: Early Transcendentals, Volume I

Our number system utilizes the 10 Hindu-Arabic symbols __________ through __________ to write any number. (1-1)

Contemporary Mathematics for Business & Consumers

Find the area of the region under the given curve from 1 to 2. 65.y=x2+13xx2

Calculus: Early Transcendentals

Graph one complete cycle of each of the following. In each case, label the axes accurately and identify the per...

Trigonometry (MindTap Course List)

In Exercise 7 to 16, name the lines if any that must be parallel under the given conditions. Exercise 7-16 120

Elementary Geometry for College Students

The University of California has two criteria used to set admission standards for freshman to be admitted to a ...

Introductory Statistics

Consider the following data for two variables, x and y.
Develop an estimated regression equation for the data ...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

In Problems 120 solve the given system of differential equations by systematic elimination. 15. (D1)x+(D2+1)y=1...

A First Course in Differential Equations with Modeling Applications (MindTap Course List)

For the following exercises, solve the logarithmic equation exactly, if possible. 290. log4(x+2)log4(x1)=0

Calculus Volume 1