Stats5th EditionDe Veaux, Richard D., Velleman, Paul F., BOCK, David E. Publisher: Pearson,ISBN: 9780135163825
Stats
Solutions for Stats
Problem 2E:
2. Mensa People with z-scores above 2.5 on an IQ test are sometimes classified as geniuses. If IQ...Problem 3E:
3. Temperatures A town’s January high temperatures average 36°F with a standard deviation of 10°,...Problem 4E:
4. Placement exams An incoming freshman took her college’s placement exams in French and...Problem 5E:
5. Shipments A company selling clothing on the Internet reports that the packages it ships have a...Problem 6E:
6. Hotline A company’s customer service hotline handles many calls relating to orders, refunds, and...Problem 8E:
8. Women’s shoe sizes The shoe size data for women has a mean of 38.46 and a standard deviation of...Problem 9E:
9. Guzzlers? Environmental Protection Agency (EPA) fuel economy estimates for automobile models...Problem 10E:
10. IQ Some IQ tests are standardized to a Normal model, with a mean of 100 and a standard deviation...Problem 12E:
12. Stats test Suppose your statistics professor reports test grades as z-scores, and you got a...Problem 13E:
13. Normal cattle The Virginia Cooperative Extension reports that the mean weight of yearling Angus...Problem 14E:
14. IQs revisited Based on the Normal model N(100, 15) describing IQ scores, what percent of...Problem 19E:
19. Payroll Here are the summary statistics for the weekly payroll of a small company: lowest salary...Problem 20E:
20. Hams A specialty foods company sells “gourmet hams” by mail order. The hams vary in size from...Problem 21E:
21. SAT or ACT? Each year thousands of high school students take either the SAT or the ACT,...Problem 22E:
22. Cold U? A high school senior uses the Internet to get information on February temperatures in...Problem 23E:
23. Music library again Corey has 4929 songs in his computer’s music library. The songs have a mean...Problem 24E:
24. Windy In the last chapter, we looked at three outliers arising from a plot of Average Wind Speed...Problem 25E:
25. Combining test scores The first Stats exam had a mean of 65 and a standard deviation of 10...Problem 26E:
26. Combining scores again The first Stat exam had a mean of 80 and a standard deviation of 4...Problem 27E:
27. Final exams Anna, a language major, took final exams in both French and Spanish and scored 83 on...Problem 28E:
28. MP3s Two companies market new batteries targeted at owners of personal music players. DuraTunes...Problem 30E:
30. Car speeds 100 John Beale of Stanford, California, recorded the speeds of cars driving past his...Problem 38E:
38. High IQ Exercise 10 proposes modeling IQ scores with N(100, 15). What IQ would you consider to...Problem 39E:
39. Trees A forester measured 27 of the trees in a large woods that is up for sale. He found a mean...Problem 40E:
40. Rivets A company that manufactures rivets believes the shear strength (in pounds) is modeled by...Problem 45E:
45. Receivers 2015 NFL data from the 2015 football season reported the number of yards gained by...Problem 46E:
46. Customer database A large philanthropic organization keeps records on the people who have...Problem 50E:
50. More IQs In the Normal model N(100, 15) from Exercise 10, what cutoff value bounds
the highest...Problem 52E:
52. IQ, finis Consider the IQ model N(100, 15) one last time.
What IQ represents the 15th...Problem 54E:
54. Tires A tire manufacturer believes that the treadlife of its snow tires can be described by a...Problem 55E:
55. Kindergarten Companies that design furniture for elementary school classrooms produce a variety...Browse All Chapters of This Textbook
Chapter 1 - Stats Starts HereChapter 1.3 - VariablesChapter 2 - Displaying And Describing DataChapter 2.3 - ShapeChapter 2.5 - SpreadChapter 3 - Relationships Between Categorical Variables—contingency TablesChapter 3.2 - Conditional DistributionsChapter 4 - Understanding And Comparing DistributionsChapter 4.1 - Displays For Comparing GroupsChapter 5 - The Standard Deviation As A Ruler And The Normal Model
Chapter 5.1 - Using The Standard Deviation To Standardize ValuesChapter 5.2 - Shifting And ScalingChapter 5.3 - Normal ModelsChapter 6 - Scatterplots, Association, And CorrelationChapter 6.2 - CorrelationChapter 7 - Linear RegressionChapter 7.4 - Regression To The MeanChapter 7.6 - R2—the Variation Accounted For By The ModelChapter 8 - Regression WisdomChapter 8.3 - Outliers, Leverage, And InfluenceChapter 8.7 - Finding A Good Re-expressionChapter 9 - Multiple RegressionChapter 9.4 - Partial Regression PlotsChapter 10 - Sample SurveysChapter 10.2 - Populations And ParametersChapter 10.4 - Other Sampling DesignsChapter 11 - Experiments And Observational StudiesChapter 11.3 - The Four Principles Of Experimental DesignChapter 11.4 - Control GroupsChapter 12 - From Randomness To ProbabilityChapter 12.1 - Random PhenomenaChapter 12.3 - Formal ProbabilityChapter 13 - Probability Rules!Chapter 13.1 - The General Addition RuleChapter 13.3 - IndependenceChapter 13.4 - Picturing Probability: Tables, Venn Diagrams, And TreesChapter 14 - Random VariablesChapter 14.1 - Center: The Expected ValueChapter 14.3 - Shifting And Combining Random VariablesChapter 15 - Probability ModelsChapter 15.6 - The Poisson ModelChapter 16 - Sampling Distribution Models And Confidence Intervals For ProportionsChapter 16.2 - When Does The Normal Model Work? Assumptions And ConditionsChapter 16.3 - A Confidence Interval For A ProportionChapter 16.5 - Margin Of Error: Certainty Vs. PrecisionChapter 17 - Confidence Intervals For MeansChapter 17.2 - A Confidence Interval For The MeanChapter 17.3 - Interpreting Confidence IntervalsChapter 18 - Testing HypothesesChapter 18.2 - P-valuesChapter 18.4 - A Hypothesis Test For The MeanChapter 18.6 - P-values And Decisions: What To Tell About A Hypothesis TestChapter 19 - More About Tests And IntervalsChapter 19.2 - Alpha Levels And Critical ValuesChapter 19.3 - Practical Vs. Statistical SignificanceChapter 19.4 - ErrorsChapter 20 - Comparing GroupsChapter 20.2 - Assumptions And Conditions For Comparing ProportionsChapter 20.3 - The Two-sample Z-test: Testing For The Difference Between ProportionsChapter 20.4 - A Confidence Interval For The Difference Between Two MeansChapter 20.5 - The Two-sample T-test: Testing For The Difference Between Two MeansChapter 21 - Paired Samples And BlocksChapter 21.4 - BlockingChapter 22 - Comparing CountsChapter 22.3 - Examining The ResidualsChapter 22.4 - Chi-square Test Of IndependenceChapter 23 - Inferences For RegressionChapter 23.5 - Multiple Regression InferenceChapter 24 - Multiple Regression WisdomChapter 24.3 - Building Multiple Regression ModelsChapter 25 - Analysis Of VarianceChapter 25.2 - The An Ova TableChapter 26 - Multifactor Analysis Of VarianceChapter 26.3 - InteractionsChapter 27 - Introduction To Statistical Learning And Data ScienceChapter 27.1 - Data Science And Big DataChapter 27.2 - The Data Mining ProcessChapter 27.3 - Data Mining Algorithms: A SampleChapter 27.4 - Models Built From Combining Other ModelsChapter R - Review ExercisesChapter CR - Cumulative Review Exercises
Sample Solutions for this Textbook
We offer sample solutions for Stats homework problems. See examples below:
Given info: Several grocery store chains offer their customers a card to scan during check-out; they...Given info: The table represents the different car types with corresponding frequencies of killed...Given info: The table summarizes the information about the higher education system. The table is as...The data represent the histogram and summary statistics for the load factors of domestic and...Given info: In a Stats exam, the mean score is 75 points and the standard deviation of score is 5...Given info: The variables of the apples are given one is weight in grams and the other is weight in...Given info: The linear model, which passes through the most data points on the scatterplot, is...Given info: A scatterplots of spending for a sample of credit card bank cardholders in January and...Given info: The regression model for the price of houses in upstate New York with respect to number...
Given info: The A & M student body has nearly 46,000 members. Justification: Here, the objective...Given info: A researcher’s wish is to examine the effect of steroids in major league baseball; in...Given info: Flipping a fair coin is said to randomly generate heads and tails with equal...Calculation: Among people, 25% have a dog, 29% have a cat, and 12% have both dog and cat. Additive...Calculation: The number of oranges per three and the distribution is given. Expected value: If X is...It is given that 50 dice are rolled to find the distribution of the number of spots on the faces....Given info: A random sample of 200 is drawn from customers who recently logged in and checked their...Given info: A food company sells King Salmon to customers. The mean weight of these salmon is 35...Given info: The study based on the effect of aspirin in the treatment of heart attacks. Calculation:...Justification: The statement provides the evidence about the test. Moreover, the level of...Given info: In one survey it was seen that 192 of 960 Canadians born in another country. Similarly...Given info: The data represents the scores of the students in MCAT. Justification: The scores of the...Given info: The data represents the census of 120 students who are born in different season namely...Given info: A output shows the regression model and associated plots. Calculation: The linear...The Burger King items data is separated into items that contain meat, and that do not contain meat....The given information is that, a student conducted an experiment to identify whether there is any...It is given that there are two factors, Sex and Athlete, in analyzing TV watching by students. The...Data: A data is set of existing factor, information, knowledge or observations which can be used for...Given info: The data represents the sample of 15 bananas price surveyed by the U.S Department of...Given info: The data related to the speed and density of traffic at the same location of a city at...
More Editions of This Book
Corresponding editions of this textbook are also available below:
STATS: DATA+MODELS LL W/ MYLAB 18MOS
5th Edition
ISBN: 9780135991206
STATS:DATA+MODELS(LL)-W/ACCESS>CUSTOM<
21st Edition
ISBN: 9780137643219
STATS:DATA+MODELS-MY LAB ACC >CUSTOM<
21st Edition
ISBN: 9780137643127
Intro Stats, Books A La Carte Edition (5th Edition)
5th Edition
ISBN: 9780135220788
Stats: Data And Models Plus Mylab Statistics With Pearson Etext -- Access Card Package (5th Edition)
5th Edition
ISBN: 9780135256213
Stats: Data And Models, Books A La Carte Edition (5th Edition)
5th Edition
ISBN: 9780135163832
Stats: Data and Models - MyStatLab Access
5th Edition
ISBN: 9780135189696
Stats: Data and Models
5th Edition
ISBN: 9780135164013
Stats: Data and Models - Student Solutions Manual
5th Edition
ISBN: 9780135163979
Mylab Statistics With Pearson Etext -- 18 Week Standalone Access Card -- For Stats: Data And Models
5th Edition
ISBN: 9780135834800
STATS:DATA&MODELS LL+MYSTATLAB ACCESS
5th Edition
ISBN: 9780135307991
MY LAB F/STATS:DATA AND MODELS
4th Edition
ISBN: 9780321826206
EBK STATS
4th Edition
ISBN: 9780100662926
Stats: Data and Models, Books a la Carte Edition (4th Edition)
4th Edition
ISBN: 9780321989994
STATS:DATA+MODELS-W/DVD
4th Edition
ISBN: 9780321986498
STATS:DATA+MODELS-W/DVD+ACCESS >CUSTOM<
4th Edition
ISBN: 9781323130254
Stats: Data and Models Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (4th Edition)
4th Edition
ISBN: 9780133956498
EBK STATS
4th Edition
ISBN: 8220100662928
Student's Solutions Manual For Stats: Data And Models
4th Edition
ISBN: 9780321989970
Stats: Data and Models, Books a la Carte Edition Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (4th Edition)
4th Edition
ISBN: 9780134243900
Stats: Data and Models
3rd Edition
ISBN: 9780321692559
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