Connect Math hosted by ALEKS Access Card 52 Weeks for Math in Our World
3rd Edition
ISBN: 9781259232848
Author: David Sobecki, Allan Bluman
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 12.5, Problem 32E
In Problems 29–32, draw a box plot for the data, then use it to answer these questions: (a) What does the position of the box tell you about the data? (b) Find any outliers. What does this tell you about the data set?
32. Use the data in Exercise 28.
28. Below are the market caps in billions of dollars for the 10 largest companies with a CEO aged 40 or less in 2012:
199.05 | |
Groupon | 12.41 |
Under Armour | 4.27 |
IDEX Corp. | 3.54 |
Tesla Motors | 3.28 |
Coeur d’Alene Mines | 2.42 |
Ubiquiti Networks | 2.27 |
General Holdings | 2.00 |
Steven Madden, Ltd. | 1.72 |
UMB Financial | 1.64 |
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A study is planned to compare the proportion of teenagers (ages 13–19) who dislike anchovies with the proportion of young adults (ages 20–30) who dislike anchovies. A random sample of 41 teenagers was taken, and 78% of them disliked anchovies. A random sample of 56 young adults was also taken, and 71% of them disliked anchovies.
Difference = Teenagers - Young Adults
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A study is planned to compare the proportion of teenagers (ages 13–19) who dislike anchovies with the proportion of young adults (ages 20–30) who dislike anchovies. A random sample of 41 teenagers was taken, and 78% of them disliked anchovies. A random sample of 56 young adults was also taken, and 71% of them disliked anchovies.
Difference = Teenagers - Young Adults
The picture below is the question. Use the information above to help.
A study is planned to compare the proportion of teenagers (ages 13–19) who dislike anchovies with the proportion of young adults (ages 20–30) who dislike anchovies. A random sample of 41 teenagers was taken, and 78% of them disliked anchovies. A random sample of 56 young adults was also taken, and 71% of them disliked anchovies.
Difference = Teenagers - Young Adults
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Chapter 12 Solutions
Connect Math hosted by ALEKS Access Card 52 Weeks for Math in Our World
Ch. 12.1 - To study the number of credit hours taken by a...Ch. 12.1 - A health-food store recorded the type of vitamin...Ch. 12.1 - In one math class, the data below represent the...Ch. 12.1 - Prob. 4TTOCh. 12.1 - What are data?Ch. 12.1 - Define statistics.Ch. 12.1 - Explain the difference between a population and a...Ch. 12.1 - How is a random sample selected?Ch. 12.1 - How is a systematic sample selected?Ch. 12.1 - How is a stratified sample selected?
Ch. 12.1 - How is a cluster sample selected?Ch. 12.1 - Prob. 8ECh. 12.1 - Describe the difference between descriptive and...Ch. 12.1 - How do inductive and deductive reasoning play a...Ch. 12.1 - For Exercises 1116, classify each sample as...Ch. 12.1 - For Exercises 1116, classify each sample as...Ch. 12.1 - For Exercises 1116, classify each sample as...Ch. 12.1 - For Exercises 1116, classify each sample as...Ch. 12.1 - For Exercises 1116, classify each sample as...Ch. 12.1 - For Exercises 1116, classify each sample as...Ch. 12.1 - In Exercises 1722, decide if you think the method...Ch. 12.1 - In Exercises 172, decide if you think the method...Ch. 12.1 - In Exercises 1722, decide if you think the method...Ch. 12.1 - In Exercises 1722, decide if you think the method...Ch. 12.1 - In Exercises 1722, decide if you think the method...Ch. 12.1 - In Exercises 1722, decide if you think the method...Ch. 12.1 - At a college financial aid office students who...Ch. 12.1 - A questionnaire about how students primarily get...Ch. 12.1 - Twenty-five fans of reality TV were asked to rate...Ch. 12.1 - A small independent developer of apps for...Ch. 12.1 - The ages of the signers of the Declaration of...Ch. 12.1 - The percentage of traffic fatalities in which at...Ch. 12.1 - The data shown are the cigarette taxes per pack in...Ch. 12.1 - The acreage (in thousands of acres) of the 39 U.S....Ch. 12.1 - The heights in feet above sea level of the major...Ch. 12.1 - During the 1998 baseball season. 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Explain why bar graphs and pie charts are...Ch. 12.2 - How are histograms and frequency polygons similar?...Ch. 12.2 - Describe the purpose of a time series graph.Ch. 12.2 - Draw a bar graph for the number of transplants of...Ch. 12.2 - The data below show the number of students...Ch. 12.2 - Draw a bar graph for the number of registered...Ch. 12.2 - Prob. 8ECh. 12.2 - The number of students at one campus who had a 4.0...Ch. 12.2 - In an insurance company study of the causes of...Ch. 12.2 - In a survey of 100 college students, the numbers...Ch. 12.2 - Prob. 12ECh. 12.2 - For 108 randomly selected college applicants, the...Ch. 12.2 - Prob. 14ECh. 12.2 - Thirty cars and trucks were tested by the EPA for...Ch. 12.2 - Prob. 16ECh. 12.2 - The data below represent the number of people...Ch. 12.2 - Prob. 18ECh. 12.2 - The following data represent the number of...Ch. 12.2 - Prob. 20ECh. 12.2 - The data below are the avenge daily temperatures...Ch. 12.2 - The data below are the average daily temperatures...Ch. 12.2 - The number of employed registered nurses tin...Ch. 12.2 - Prob. 24ECh. 12.2 - Prob. 25ECh. 12.2 - Prob. 26ECh. 12.2 - Prob. 27ECh. 12.2 - Prob. 28ECh. 12.2 - Prob. 29ECh. 12.2 - Prob. 30ECh. 12.2 - Prob. 31ECh. 12.2 - Prob. 32ECh. 12.2 - Prob. 33ECh. 12.2 - Prob. 34ECh. 12.2 - Prob. 35ECh. 12.2 - Make up your own frequency polygon problem: using...Ch. 12.3 - To test a customers Internet connection, a tech...Ch. 12.3 - Prob. 2TTOCh. 12.3 - Prob. 3TTOCh. 12.3 - Prob. 4TTOCh. 12.3 - Prob. 5TTOCh. 12.3 - Prob. 6TTOCh. 12.3 - Prob. 7TTOCh. 12.3 - The number of earthquakes worldwide measuring at...Ch. 12.3 - Prob. 9TTOCh. 12.3 - Prob. 1ECh. 12.3 - Prob. 2ECh. 12.3 - Prob. 3ECh. 12.3 - Prob. 4ECh. 12.3 - Prob. 5ECh. 12.3 - Which of the measures of average can be used to...Ch. 12.3 - In Questions 710, describe some strengths and...Ch. 12.3 - In Questions 710, describe some strengths and...Ch. 12.3 - In Questions 710, describe some strengths and...Ch. 12.3 - In Questions 710, describe some strengths and...Ch. 12.3 - 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- 2. The table below shows the prevalence of smoking among U.S. adults. a. Make a scatter plot for the data for males and females. b. Write a brief summary to accompany the graph. Smoking Prevalence Among U.S. Adults, 1965–2009 (as a percent of population, 18 years of age and older) Overall Year population Males Females 1965 41.9% 51.2% 33.7% 1974 37.0 42.8 32.2 1983 31.9 34.8 29.4 1985 29.9 32.2 27.9 1990 25.3 28.0 22.9 1992 26.3 28.1 24.6 1994 25.3 27.6 23.1 1995 24.6 26.5 22.7 1997 24.6 27.1 22.2 25.9 25.2 1998 24.0 22.1 1999 23.3 21.6 2000 23.1 25.2 23.4 21.1 2005 2007 20.8 18.3 19.7 22.0 17.5 2009 20.6 23.4 18.3 Source: Statistical Abstracts of the United States, 2012, www.census.gov/ compendia/statab.arrow_forwardThe table to the right represents the annual percentage of smartphones sold in a certain region in 2011, 2012, and 2013 (projected). a. What conclusions can you reach about the market for smartphones in 2011, 2012, and 2013? b. What differences are there in the market for smartphones in 2011, 2012, and 2013? a. Select all that apply. A. Type 6 had the smallest or close to the smallest percentage of smartphones sold in all three years. B. Type 3 had the second largest percentage of smartphones sold in all three years. C. Type 1 had the largest percentage of smartphones sold in all three years. D. Type 5 had the smallest or close to the smallest percentage of smartphones sold in all three years. E. Type 2 had the second largest percentage of smartphones sold in all three years. Туре Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 2011 44% 21% 21% 10% 1% 3% 2012 69% 16% 4% 6% 3% 2% 2013 63% 17% 1% 3% 13% 3%arrow_forwardRefer to Table 1.6. 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 Tl OMAP? d. What percentage of tablets use an Android operating system?arrow_forward
- C) If a person is making the median salary for a construction worker, they are making more than what percentage of Teachers? They are making more than % of Teachers.arrow_forwardA website recently reported that salaries of Chief Finance Officers (CFOs) ranged from $127,735 to $209,981 (before bonuses). Suppose the data below represent a sample of the annual salaries for 24 CFOs in thousands of dollars. Complete parts a through c. 203.4 186.4 184.9 169.2 194.8 176.9 146.8 192.8 202.4 149.3 179.1 185.6 184.4 134.4 201.8 189.6 176.5 151.3 204.6 187.1 206.3 162.6 208.5 142.6 a. Using 9 classes, construct a cumulative frequency distribution. (Use the minimum class width, rounded up to the nearest integer. Start the first class at 134.) Complete the cumulative frequency distribution below. (Simplify your answers.) CFO Salary (thousands of Cumulative Frequency dollars) and underarrow_forward2.arrow_forward
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