Statistical Techniques in Business and Economics
18th Edition
ISBN: 9781260579611
Author: Douglas Lind; William Marchal; Samuel Wathen
Publisher: MCGRAW-HILL HIGHER EDUCATION
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 8, Problem 20CE
The Medical Assurance Company is investigating the cost of a routine office visit to family-practice physicians in the Rochester, New York, area. The following is a list of 39 family-practice physicians in the region. Physicians are to be randomly selected and contacted regarding their charges. The 39 physicians have been coded from 00 to 38. Also noted is whether they are in practice by themselves (S), have a partner (P), or are in a group practice (G).
- a. The random numbers obtained from Appendix B.4 are 31, 94, 43, 36, 03, 24, 17, and 09. Which physicians should be contacted?
- b. Select a random sample of four physicians using the random numbers of Appendix B.4.
- c. Using systematic random sampling, every fifth physician is selected starting with the fourth physician in the list. Which physicians will be contacted?
- d. Select a sample that includes two physicians in solo practice (S), two in partnership (P), and one in group practice (G). Explain your procedure.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
One hundred students were asked which fast food restaurants they had visited in thepast month. The results are as follows:47 ate at McDonald’s;46 ate at Taco Bell;44 ate at Wendy’s;17 ate at McDonald’s and Taco Bell;19 ate at Taco Bell and Wendy’s;22 ate at Wendy’s and McDonald’s;13 ate at all three.Determine how many ate only at McDonald’s.
A survey of 600 school employees yielded the following information: 325 were instructors, 442 were full-time faculty, and 255 of the instructors were full-time faculty. How many school employees were full-time faculty but were not instructors?
An insurance company classifies its policy holders according to age, sex,
and marital status. Of 500 policy holders, it was found out that: 350 were
married, 240 were under 25, 230 were married men, 110 were married
and under 25, 100 were men under 25, 40 were married men under 25,
and 10 were single women 25 or older. How many policy holders were
men?
Chapter 8 Solutions
Statistical Techniques in Business and Economics
Ch. 8 - Prob. 1SRCh. 8 - Prob. 2SRCh. 8 - The following is a list of 24 Marcos Pizza stores...Ch. 8 - The following is a list of 29 hospitals in the...Ch. 8 - Listed below are the 35 members of the Metro...Ch. 8 - Listed next are the 27 Nationwide Insurance agents...Ch. 8 - The years of service of the five executives...Ch. 8 - Prob. 5ECh. 8 - Prob. 6ECh. 8 - Prob. 7E
Ch. 8 - Prob. 8ECh. 8 - Prob. 9ECh. 8 - There are five sales associates at Mid-Motors...Ch. 8 - Prob. 4SRCh. 8 - Prob. 11ECh. 8 - Prob. 12ECh. 8 - Prob. 13ECh. 8 - Prob. 5SRCh. 8 - Prob. 15ECh. 8 - Prob. 16ECh. 8 - Prob. 17ECh. 8 - Prob. 18ECh. 8 - Prob. 19CECh. 8 - The Medical Assurance Company is investigating the...Ch. 8 - Prob. 21CECh. 8 - Prob. 22CECh. 8 - Prob. 23CECh. 8 - Prob. 24CECh. 8 - Prob. 25CECh. 8 - As a part of their customer-service program,...Ch. 8 - Prob. 27CECh. 8 - Prob. 28CECh. 8 - Prob. 29CECh. 8 - The Appliance Center has six sales representatives...Ch. 8 - Prob. 31CECh. 8 - Prob. 32CECh. 8 - Prob. 33CECh. 8 - Prob. 34CECh. 8 - Prob. 35CECh. 8 - Prob. 36CECh. 8 - Prob. 37CECh. 8 - Prob. 38CECh. 8 - Prob. 39CECh. 8 - Prob. 40CECh. 8 - Prob. 41CECh. 8 - Human Resource Consulting (HRC) surveyed a random...Ch. 8 - Over the past decade, the mean number of hacking...Ch. 8 - Prob. 44CECh. 8 - Prob. 45CECh. 8 - Prob. 46DACh. 8 - Prob. 47DACh. 8 - Prob. 48DA
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
- Name the four characteristics of a good definition.arrow_forwardA university administrator requested a breakdown of travel expenses for faculty to attend various professional meetings. It was found that 31% of the travel expenses was spent for transportation costs, 25% was spent for lodging, 17% was spent for food, and 20% was spent for conference registration fees; the remainder was spent for miscellaneous costs.a. Construct a pie chart.b. Construct a bar chart.arrow_forwardA survey of 12,073 adults in a particular country found that 47.9% received an influenza vaccine for a recent flu season. Identify the population and the sample. Identify the population for the given problem. Choose the correct answer below. A. The collection of immunization statuses of the 12,073 adults selected B. The collection of immunization statuses of all adults in the country C. The 12,073 adults selected D. All adults in the country Identify the sample for the given problem. Choose the correct answer below. A. The immunization status of all adults in the country B. The immunization status of the 12,073 adults selected C. All adults in the country D. The 12,073 adults selectedarrow_forward
- A survey of 400 school empl yielded the following information: 295 were instructors, 215 were full-time faculty, and 170 ofthe instructors were full-time faculty. How many of the 400 surveyed school employees were instructors or were full-time faculty?arrow_forwardScott surveyed 40 friends on Facebook and asked them where they were born and where they went to college. He then categorized the data by whether they were born in Arizona (or not) and whether they went to college in Arizona (or not). The data are below. 21 people were born in Arizona 17 people went to college in Arizona 9 people were born in Arizona and went (or go) to college in Arizona a) How many people were born in Arizona and did not go to college in Arizona? b) How many people did not go to college in Arizona? c) How many people were neither born in Arizona nor went to college in Arizona?arrow_forwardFifteen out of the first 20 students who entered the Calallen Middle School (CMS) on Friday were wearing a spirit shirt. Based on this information, if 840 students attended CMS on Friday, how many could be expected to be wearing a spirit shirt?arrow_forward
- The manager of the customer service division of a consumer electronics company is interested in determining whether the customers who have purchased the washing machine made by the company over the past 18 months are satisfied with their products. The survey asked a series of questions including the following: 1) What is your gender? 2) How many people are there in your household? 3) How many times have you made an in-store purchase of the products made by our company during the past 18 months? 4) How would you rate the quality of your purchase experience with excellent, good, average, poor, or terrible? A random sample of 55 customers' responses is collected. a. Identify how many cases are collected. b. Identify whether the responses to the fourth survey question of rating the quality of the customer's purchase experience are values from a numerical or categorical variable.arrow_forwardAn electronics store receives a shipment of 30graphing calculators, including 6 that are defective. Four of the calculators are selected to be sent to a local high school. a. How many selections can be made using the original shipment? b. How many of these selections will contain no defective calculators?arrow_forwardIn the Aloha state, you are very unlikely to be murdered! However, it is considerably more likely that your house might be burgled, your car might be stolen, or you might be punched in the nose. That said, Hawaii is still a great place for a vacation or, if you are very lucky, to live. The following numbers represent the crime rates per 100,000 population in Hawaii: murder, 1.6; rape, 21.4; robbery, 95.3; house burglary, 903.6; motor vehicle theft, 521.7; assault, 106.3. (a) Display this information in a Pareto chart, showing the crime rate for each category. (b) Could the information as reported be displayed as a circle graph? Explain. Hint: Other forms of crime, such as arson, are not included in the information. In addition, some crimes might occur together. A. Yes, but the graph would take into account only multiple crimes and not these particular individual crimes. B. Yes, the graph would be able to account for all information. C. No, the graph would be unable to account…arrow_forward
- Read the following prompt and complete the subquestions 3.a, 3.b, and 3.carrow_forwardIn the Aloha state, you are very unlikely to be murdered! However, it is considerably more likely that your house might be burgled, your car might be stolen, or you might be punched in the nose. That said, Hawaii is still a great place for a vacation or, if you are very lucky, to live. The following numbers represent the crime rates per 100,000 population in Hawaii: murder, 3.6; rape, 29.4; robbery, 79.3; house burglary, 867.6; motor vehicle theft, 531.7; assault, 118.3. Could the information as reported be displayed as a circle graph? Explain. Hint: Other forms of crime, such as arson, are not included in the information. In addition, some crimes might occur together.arrow_forwardOf 75 cars that were inspected, 13 needed brake repairs and 26 needed exhaust system repairs. If the brakes or exhaust systems on 43 of the cars did not need repair, how many cars needed both brake and exhaust system repairs? There were_______cars that needed both brake and exhaust system repairs.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALElementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Elementary Geometry For College Students, 7e
Geometry
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Cengage,
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