EBK UNDERSTANDING BASIC STATISTICS
7th Edition
ISBN: 9780100547568
Author: BRASE
Publisher: YUZU
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Textbook Question
Chapter 2.1, Problem 15P
For Problems 15-20. use the specified number of classes to do the following.
(a) Find the class width
(b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies. relative frequencies, and cumulative frequencies.
(c) Draw a histogram.
(d) Draw a relative- frequency histogram.
(e) Categorize the basic distribution shape as uniform, mound-shaped symmetric, binodal, skewed left, orskewed right.
(f) Draw an ogive.
(g) Interpretation Discuss some of the features about the data that the graphs reveal. Consider items such as dat
Sports: DogsledRacing How long does it take to finish the 1161-mile Iditarod Sled Dog Race from Anchorage to Nome. Alaska (see Viewpoint)? Finish times (to the nearest hour) for 57 dogsled teams are shown below.
| 261 | 271 | 236 | 244 | 279 | 296 | 284 | 299 | 288 | 288 | 247 | 256 |
| 338 | 360 | 341 | 333 | 261 | 266 | 247 | 296 | 313 | 311 | 307 | 307 |
| 209 | 306 | 277 | 283 | 304 | 305 | 288 | 290 | 288 | 289 | 297 | 299 |
| 332 | 330 | 309 | 328 | 307 | 328 | 245 | 291 | 295 | 298 | 306 | 315 |
| 310 | 318 | 318 | 320 | 333 | 321 | 323 | 324 | 327 |
Use five classes.
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Chapter 2 Solutions
EBK UNDERSTANDING BASIC STATISTICS
Ch. 2.1 - Statistical Literacy What is the difference...Ch. 2.1 - Statistical Literacy A data set has values ranging...Ch. 2.1 - Statistical Literacy A data set has values ranging...Ch. 2.1 - Statistical Literacy A data set has value ranging...Ch. 2.1 - Basic Computation: Class Limits A data set with...Ch. 2.1 - Basic Computation: Class limits A data set with...Ch. 2.1 - Interpretation You are manager of a specialty...Ch. 2.1 - Critical Thinking A web site rated 100 colleges...Ch. 2.1 - Critical Thinking Look at the histogram in Figure...Ch. 2.1 - Critical Thinking The following data represent...
Ch. 2.1 - Interpretation Histograms of random sample data...Ch. 2.1 - Interpretation The following histograms are based...Ch. 2.1 - Interpretation The ogives shown are based on U.S...Ch. 2.1 - Critical Thinking The following ogives come from...Ch. 2.1 - For Problems 15-20. use the specified number of...Ch. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - For Problems 15-20, use the specified number of...Ch. 2.1 - Prob. 19PCh. 2.1 - Prob. 20PCh. 2.1 - Expand Your knowledge: Decimal Data The fallowing...Ch. 2.1 - Decimal Data: Batting Averages The following data...Ch. 2.1 - Expand Your Knowledge: Dotplot another display...Ch. 2.1 - 24. Dotplot: Sled Dog Racing Make a dotplot for...Ch. 2.1 - Prob. 25PCh. 2.2 - 1. Interpretation Consider graph (a) of Reasons...Ch. 2.2 - Interpretation Look at graph (b) of Reasons People...Ch. 2.2 - Critical Thinking A personnel office is gathering...Ch. 2.2 - Critical Thinking Your friend is thinking about...Ch. 2.2 - Prob. 5PCh. 2.2 - Interpretation Consider the two graphs depicting...Ch. 2.2 - Commercial Fishing: Gulf of Alaska It's not an...Ch. 2.2 - Archaeology: Ireland Commercial dredging...Ch. 2.2 - Lifestyle: Hide the Mess! A survey of 1000 adults...Ch. 2.2 - Education: College Professors' Time How do college...Ch. 2.2 - FBI Report: Hawaii In the Aloha state, you are...Ch. 2.2 - Driving: Bad Habits Driving would be more pleasant...Ch. 2.2 - Prob. 13PCh. 2.2 - Vital Statistics: Height How dies average height...Ch. 2.2 - Expand Your Knowledge Donut Pie Charts The book...Ch. 2.2 - Technology: Cars The following cluster bar graph...Ch. 2.3 - Cowboys: Longevity How long did real cowboys live?...Ch. 2.3 - Ecology: Habitat Wetlands offer a diversity of...Ch. 2.3 - Prob. 3PCh. 2.3 - Health Care: Hospitals Using the number of...Ch. 2.3 - Prob. 5PCh. 2.3 - Prob. 6PCh. 2.3 - Are cigarettes bad for people? Cigarette smoking...Ch. 2.3 - Are cigarettes bad for people? Cigarette smoking...Ch. 2.3 - Are cigarettes bad for people? Cigarette smoking...Ch. 2.3 - Expand Your Knowledge: Back-to-Back Stem Plot In...Ch. 2 - Critical Thinking Consider these types of graphs:...Ch. 2 - Critical Thinking A consumer interest group is...Ch. 2 - Critical Thinking Describe how data outliers might...Ch. 2 - Expand Your Knowledge How are dotplots and...Ch. 2 - Focus Problem: Fuel Economy Solve the focus...Ch. 2 - Criminal Justice: Prisoners The time plot in...Ch. 2 - IRS: Tax Returns Almost everyone files (or will...Ch. 2 - Prob. 8CRCh. 2 - Prob. 9CRCh. 2 - Law: Corporation Lawsuits Many people say the...Ch. 2 - Archaeology: Tree-King DataThe Sand Canyon...Ch. 2 - Interpretation A Harm Poll surveyed 2085 U.S....Ch. 2 - Examine Figure 2-20, Everyone Agrees: Slobs Make...Ch. 2 - Examine Figure 2-21, Global Teen Worries. How many...Ch. 2 - In your own words, explain the differences among...Ch. 2 - What do we mean when we say a histogram is skewed...Ch. 2 - Discuss the statement that stem-and-leaf displays...Ch. 2 - The following tables show the first-round winning...Ch. 2 - The following tables show the first-round winning...Ch. 2 - The Following tables show the first-round winning...
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