Pearson eText Business Statistics: First Course -- Instant Access (Pearson+)
8th Edition
ISBN: 9780136880974
Author: David Levine, David Stephan
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 2, Problem 2.94CRP
(a)
To determine
To construct: a Pareto chart and the industry group accountsfor most of the complaints
(b)
To determine
To construct:pie and doughnut charts and the complaintcategory accounts for most of the complaints
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The U.S National Center for Education Statistics publishes information about schoolenrollment in Digest of Education Statistics. According to the document, 85.8% of students attend public school,22.3% attend college and 17.1% attend public college. What percentage of students attend either public schoolor college?
Laura Naples, manager of Heritage Inn, periodically collects and tabulates information about a sample of the hotel’s overnight guests. This information aids her in pricing and scheduling decisions she must make. The table below lists data on 10 randomly selected hotel registrants, collected as the registrants checked out. The data listed are:
Number of people in the group
Hotel’s shuttle service used: yes or no
Total telephone charges incurred
Reason for stay: business or personal
*Insert hw.png
1. Before cell telephones became so common, the average telephone charge per registered group was at least $5.00. Laura suspects that the average has dropped. Test H0: m > 5 and Ha: m < 5 using a .05 level of significance. Use both the critical value and p-value approaches to hypothesis testing.
2. In the past, Laura has made some important managerial decisions based on the assumption that the average number of people in a registered group is 2.5. Now she wonders if the assumption is…
The North American Free Trade Agreement (NAFTA) enacted in 1994 is a trilateral trade agreement signed
by the United States, Canada and Mexico. This trade agreement has been controversial since its inception
and Americans remain split on the issue. In a Gallup Poll conducted February 1-5, 2017, 472 out of 1025
randomly selected Americans aged 18 or older stated that they believed that NAFTA was bad for the United
States.
a. Find the point estimate for the proportion of Americans who believe that NAFTA was bad for the
United States. Round your answer to 4 decimal places.
b. Find the margin of error for a 95% confidence interval. Round your answer to 4 decimal places.
c. Construct the 95% confidence interval for the proportion of Americans who believe that NAFTA was
bad for the United States. Enter your answer as an open interval of the form (a,b) and round to 3
decimal places.
d. Can you conclude that more than half of Americans believe that NAFTA was bad for the United
States?
O No,…
Chapter 2 Solutions
Pearson eText Business Statistics: First Course -- Instant Access (Pearson+)
Ch. 2 - Prob. 2.1LBCh. 2 - The following data represent the responses to two...Ch. 2 - Prob. 2.3ACCh. 2 - Prob. 2.5ACCh. 2 - Prob. 2.6ACCh. 2 - Prob. 2.7ACCh. 2 - Prob. 2.8ACCh. 2 - Prob. 2.10ACCh. 2 - Prob. 2.11LBCh. 2 - Prob. 2.12LB
Ch. 2 - Prob. 2.14LBCh. 2 - The file UTILITY contains the following data about...Ch. 2 - One operation of a mill to cut pieces of steel...Ch. 2 - Prob. 2.21ACCh. 2 - Prob. 2.23ACCh. 2 - Prob. 2.25ACCh. 2 - Prob. 2.26ACCh. 2 - The following table indicates the percentage of...Ch. 2 - Prob. 2.29ACCh. 2 - Prob. 2.30ACCh. 2 - Prob. 2.31ACCh. 2 - Prob. 2.32ACCh. 2 - Prob. 2.33LBCh. 2 - Prob. 2.34LBCh. 2 - Prob. 2.35ACCh. 2 - The file UTILITY contains the following data about...Ch. 2 - Prob. 2.39ACCh. 2 - Prob. 2.43ACCh. 2 - The data stored in DRINK represents the amount of...Ch. 2 - Prob. 2.48LBCh. 2 - Prob. 2.49LBCh. 2 - Prob. 2.50ACCh. 2 - Data were collected on the typical cost of dining...Ch. 2 - Prob. 2.53ACCh. 2 - Prob. 2.54ACCh. 2 - Prob. 2.55ACCh. 2 - Prob. 2.56ACCh. 2 - Using the sample of retirement funds stored in...Ch. 2 - Prob. 2.59ACCh. 2 - Using the sample of retirement funds stored in...Ch. 2 - Using the sample of retirement funds stored in...Ch. 2 - Prob. 2.62ACCh. 2 - Prob. 2.70ACCh. 2 - Prob. 2.71ACCh. 2 - Prob. 2.72ACCh. 2 - Prob. 2.73ACCh. 2 - Prob. 2.75ACCh. 2 - Prob. 2.76ACCh. 2 - Prob. 2.77CYUCh. 2 - Prob. 2.78CYUCh. 2 - What are the advantages and disadvantages of using...Ch. 2 - Compare and contrast the bar chart for categorical...Ch. 2 - Prob. 2.81CYUCh. 2 - Prob. 2.82CYUCh. 2 - What are the three different ways to break down...Ch. 2 - How can a multidimensional table differ from a...Ch. 2 - Prob. 2.85CYUCh. 2 - Prob. 2.89CRPCh. 2 - The owner of a restaurant that serves...Ch. 2 - Suppose that the owner of the restaurant in...Ch. 2 - Prob. 2.94CRPCh. 2 - One of the major measures of the quality of...Ch. 2 - Prob. 2.103CRPCh. 2 - Prob. 2.104CRPCh. 2 - Prob. 2.105CRPCh. 2 - Prob. 2.109RWE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Faculty at one university were asked a series of questions in a recent survey. State the type of data for each question. a. Indicate your level of satisfaction with your teaching load (very satisfied, moderately satisfied, neutral, moderately dissatisfied, or very dissatisfied). b. How many of your research articles were pub- lished in refereed journals during the last 5 years?c. Did you attend the last university faculty meeting? d. Do you think that the teaching evaluation process needs to be revised?arrow_forwardThe following is a list of hospitals in Pasig City. We are interested in estimating the average number of full-time and part-time nurses employed in the hospitals. NO. Name of Hospital 1 Alfonso Specialist Hospital 2 Glen Eagles Healthcare 3 Health Solutions Corporation 4 Javillonar Clinic and Hospital John E Cotton Hospital 6. Mary Immaculate Hospital 7 Medicomm Pacific, Inc. Medcor Pasig Hospital and Medical Center 9 Metro Psych Facility 10 Mission Hospital 11 Mother Regina Hospital 12 Pasig City General Hospital 13 Pasig Doctors Medical Center 14 Pasig Medical and Maternity Hospital Foundation, Inc. 15 Rizal Medical Center 16 Sabater General Hospital 17 Salve Regina General Hospital 18 Saint Therese Hospital 19 The Medical City 20 Wellness Pro, Inc. a. A sample of five hospitals is to be randomly selected. The random numbers are 16, 08, 47, 61, 15, 07, and 04. Which hospitals will be included in the sample? b. Use the first two digits of the third column in the Random Number Table…arrow_forwardThe number of AIDS cases reported for Santa Clara County, California is broken down by race in the table below. Source: "HIV/AIDS Epidemiology Santa Clara County", Santa Clara County Public Health Department, May 2011. Race Cases White 2290 Hispanic 1109 Black 478 Asian/Pacific Islander 235 Total 4112 Directions: Conduct a chi-square test for goodness-of-fit to determine whether or not the occurrence of AIDS cases is consistent with the race distribution of Santa Clara County. 1. Choose the correct null and alternative hypotheses. O Ho: The distribution of AIDS cases is consistent with the race distribution in County. H.: The distribution of AIDS cases is different from the race distribution in Santa Clara County. Clara O Ho: The distribution of AIDS cases is different from the race distribution in Santa Clara County. Ha: The distribution of AIDS cases is consistent with the race distribution in Santa Clara County. 2. Compute the test statistic. The population distribution of Santa…arrow_forward
- The Pew Research Center Internet Project, conducted on the 25th anniversary of theInternet, involved a survey of 857 Internet users (Pew Research Center website, April 1,2014). It provided a variety of statistics on Internet users. For instance, in 2014, 87%of American adults were Internet users. In 1995 only 14% of American adults used theInternet.a. The sample survey showed that 90% of respondents said the Internet has been a goodthing for them personally. Develop a 95% confidence interval for the proportion ofrespondents who say the Internet has been a good thing for them personally.b. The sample survey showed that 67% of Internet users said the Internet has generallystrengthened their relationship with family and friends. Develop a 95% confidenceinterval for the proportion of respondents who say the Internet has strengthened theirrelationship with family and friendsarrow_forwardThe Pew Research Center Internet Project, conducted on the 25th anniversary of theInternet, involved a survey of 857 Internet users (Pew Research Center website, April 1,2014). It provided a variety of statistics on Internet users. For instance, in 2014, 87%of American adults were Internet users. In 1995 only 14% of American adults used theInternet.a. The sample survey showed that 90% of respondents said the Internet has been a goodthing for them personally. Develop a 95% confidence interval for the proportion ofrespondents who say the Internet has been a good thing for them personally.arrow_forwardIn the following, identify the data collection method used and the type of resulting data. a. The website of Philippine Airlines provides a questionnaire instrument that can be answered electronically. b. The Latest series of the Consumer Price Index (CPI) generated by the Philippine Statistics Authority was downloaded from PSA website.c. A reporter recorded the number of minutes to travel from one end to another of the Metro Manila Rait Transit (MR T) during peak and off-peak hours.d. Students getting the height of the plants using a meter stick. e. PSA Enumerator conducting the Labor Force Survey goes around the country to interview household head on employment-related variables.arrow_forward
- Consider that Roane county, which calculated that the average firm size (in terms of number of employees) is 150 with a median size of 50, while Anderson county calculated an average and median size of 230 and 255 respectively. Officials from both counties are asking their state legislatures for additional funds to accomodate their growing business size. Do you support their requests, why or why not? Also, are there any additional statistics you might ask for and why?arrow_forwardThe following data has been collected on the interarrival times of patients to an emergency department: 3.772, 1.761, 0.743, 15.988, 0.412, 7.541, 6.900, 3.447, 7.024, 1.061, 5.449, 0.309, 0.766, 4.807, 8.143, 0.093, 9.524, 0.012, 4.634, and 0.195 minutes. Estimate the squared coefficient of variation of the arrival process. Is the arrival process likely to be Poisson? Why or why not? Estimate the arrival rate?arrow_forwardfind the median number of cars sold per month by a desler over the past nine months based on the following monthly sale figures: 27,38,12,34,42,40,24,40,23arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALGlencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
Sampling Methods and Bias with Surveys: Crash Course Statistics #10; Author: CrashCourse;https://www.youtube.com/watch?v=Rf-fIpB4D50;License: Standard YouTube License, CC-BY
Statistics: Sampling Methods; Author: Mathispower4u;https://www.youtube.com/watch?v=s6ApdTvgvOs;License: Standard YouTube License, CC-BY