Pearson eText Introductory Statistics: ...3rd EditionRobert Gould, Rebecca Wong Publisher: PEARSON+ISBN: 9780136880882
Pearson eText Introductory Statistics: ...
Solutions for Pearson eText Introductory Statistics: Exploring the World Through Data -- Instant Access (Pearson+)
Problem 1SE:
Earnings A sociologist says, “Typically, men in the United States still earn more than women.” What...Problem 2SE:
Houses A real estate agent claims that all things being equal, houses with swimming pools tend to...Problem 3SE:
Exercise Hours (Example 1) The histogram shows the self-reported number of exercise hours in a week...Problem 4SE:
Sodium The following histogram shows the sodium level for 132 people (from the National Health and...Problem 5SE:
Tall Buildings The table shows the location and number of floors in some of the tallest buildings in...Problem 6SE:
Roller Coasters The table shows the names and heights of some of the tallest roller coasters in the...Problem 7SE:
River Lengths (Example 2) The table shows the lengths (in miles) of major rivers in North America....Problem 8SE:
Children of First Ladies This list represents the number of children for the first six “first...Problem 9SE:
200-Meter Run The table show the gold medal Olympic times (in seconds) for the 200-meter run. Data...Problem 10SE:
Olympic Swimming Times The table shows the 100-meter backstroke and the 100-meter butterfly gold...Problem 11SE:
Wedding Costs by Gender (Example 3) StatCrunch did a survey asking respondents their gender and how...Problem 12SE:
Wedding Costs by Experience StatCrunch did a survey asking respondents how much they thought should...Problem 13SE:
Surfing College students and surfers Rex Robinson and Sandy Hudson collected data on the...Problem 14SE:
State College Tuition The tuition costs (in dollars) for a sample of four-year state colleges in...Problem 15SE:
Winter Temperatures San Jose and Denver (Example 4) The histograms below were created from data on...Problem 16SE:
Summer Temperatures L.A. and NYC The histograms below were created from data on the daily high...Problem 17SE:
Weight Gain during Pregnancy (Example 5) The mean weight gain for women during a full-term pregnancy...Problem 18SE:
Birth Length The mean birth length for U.S. children born at full term (after 40 weeks) is 52.2...Problem 19SE:
Orange Juice Prices (Example 6) From Amazon.com, the prices of 10 varieties of orange juice (59-to...Problem 20SE:
Sibling Ages Four siblings are 2, 6, 9, and 10 years old. a. Calculate the mean of their current...Problem 21SE:
Olympics In the most recent summer Olympics, do you think the standard deviation of the running...Problem 22SE:
Weights Suppose you have a data set with the weights of all members of a high school soccer team and...Problem 23SE:
Home Prices (SC and TN) The prices (in $ thousand) of a sample of three-bedroom homes for sale in...Problem 24SE:
Home Prices (FL and GA) The prices (in $ thousand) of a sample of three-bedroom homes for sale in...Problem 25SE:
Drinkers The number of alcoholic drinks per week is given for adult men and women who drink. The...Problem 27SE:
Standard Deviation Is it possible for a standard deviation to be equal to zero? Explain.Problem 29SE:
Major League Baseball Runs (Example 7) The histogram shows the number of runs scored by major league...Problem 30SE:
Residential Energy Consumption (East) Data on residential energy consumption per capita (measured in...Problem 31SE:
Pollution Index (Example 8) In 2017 a pollution index was calculated for a sample of cities in the...Problem 32SE:
Pollution Index In 2017 a pollution index was calculated for a sample of cities in the western...Problem 33SE:
Heights and z-Scores The dotplot shows heights of college women; the mean is 64 inches (5 feet 4...Problem 34SE:
Heights Refer to the dotplot in the previous question. a. What is the height of a woman with a...Problem 35SE:
Unusual IQs (Example 9) Wechsler IQ tests have a mean of 100 and a standard deviation of 15. Which...Problem 36SE:
Lengths of Pregnancy Distributions of gestation periods (lengths of pregnancy) for humans are...Problem 37SE:
Low-Birth-Weight Babies (Example 10) Babies born weighing 2500 grams (about 5.5 pounds) or less are...Problem 38SE:
Birth Lengths Babies born after 40 weeks gestation have a mean length of 52.2 centimeters (about...Problem 39SE:
Men’s Heights Assume that men’s heights have a distribution that is symmetric and unimodal, with a...Problem 40SE:
Women’s Heights Assume that women’s heights have a distribution that is symmetric and unimodal, with...Problem 41SE:
Name two measures of the center of a distribution, and state the conditions under which each is...Problem 42SE:
Name two measures of the variation of a distribution, and state the conditions under which each...Problem 43SE:
Marvel Movies (Example 11 and 13) The top ten movies based on Marvel comic book characters for the...Problem 44SE:
DC Movies The top seven movies based on DC comic book characters for the U.S. box office as of fall...Problem 45SE:
Top Seven Marvel Movies (Example 12) Use the data in Exercise 3.43, find and interpret the median...Problem 46SE:
Top Five DC Movies Use the data in Exercise 3.44, find and interpret the median domestic gross of...Problem 47SE:
Total Energy Consumption Data was collected on the total energy consumption per capita (in million...Problem 48SE:
Industrial Energy Consumption Data was collected on the industrial energy consumption per capita (in...Problem 49SE:
Outliers a. In your own words, describe to someone who knows only a little statistics how to...Problem 50SE:
Center and Variation When you are comparing two sets of data and one set is strongly skewed and the...Problem 51SE:
An Error A dieter recorded the number of calories he consumed at lunch for one week. As you can see,...Problem 52SE:
Baseball Strike In 1994, Major League Baseball (MLB) players went on strike. At the time, the...Problem 53SE:
Home Prices Home prices in San Luis Obispo County for a recent month are shown in the histogram....Problem 54SE:
Youth Heights The National Longitudinal Survey records the heights of a representative sample of...Problem 55SE:
Senator Years in Office (Example 14) The following histograms show the number of years in office for...Problem 56SE:
MLB Player Ages The following histograms show the ages of professional baseball players for two...Problem 58SE:
Death Row: West The following table shows the numbers of capital prisoners (prisoners on death row)...Problem 59SE:
The Consumer Price Index (CPI) (Example 16) indicates cost of living for a typical consumer and is...Problem 62SE:
Mean from a Histogram The histogram shows the lengths of index fingers (in millimeters) for a sample...Problem 63SE:
Poverty Rates The following boxplot shows the poverty rates (the proportion of the population below...Problem 64SE:
Regional Population Density The figure shows the population density (people per square mile) for the...Problem 65SE:
Professional Sport Ticket Prices The following boxplot shows the average ticket price for...Problem 66SE:
BA Attainment The following boxplot shows the percentage of the population that has earned a...Problem 67SE:
Matching Boxplots and Histograms a. Report the shape of each of the following histograms b. Match...Problem 68SE:
Matching Boxplots and Histograms Match each of the histograms (X, Y, and Z) with the corresponding...Problem 69SE:
Public Libraries Data at this text’s website show the number of central public libraries in each of...Problem 70SE:
Gas Taxes Data at this text’s website show the gas taxes for each of the 50 states and the District...Problem 71SE:
Roller Coaster Heights (Example 17) The dotplot shows the distribution of the heights (in feet) of a...Problem 72SE:
Passing the Bar Exam The following dotplot shows the distribution of passing rates for the bar exam...Problem 73SE:
Exam Scores The five-number summary for a distribution of final exam scores is 40, 78, 80, 90, 100...Problem 74SE:
Exam Scores The five-number summary for a distribution of final exam scores is 60, 78, 80, 90, 100...Problem 76CRE:
Gas Taxes (West) The following table shows the gas tax (in cents per gallon) in each of the western...Problem 77CRE:
Final Exam Grades The data that follow are final exam grades for two sections of statistics students...Problem 78CRE:
Speeding Tickets College students Diane Glover and Esmeralda Olguin asked 25 men and 25 women how...Problem 79CRE:
Heights The following graph shows the heights for a large group of adults. Describe the...Problem 80CRE:
Marathon Times The following histogram of marathon times includes data for men and women and also...Problem 83CRE:
Chain Restaurant Calories The New York Times collected data on the number of calories in meals at...Problem 84CRE:
12th-Grade Sleep The histogram shows hours of sleep on a school night for a sample of 12th-grade...Problem 85CRE:
For exercises 3.85 through 3.88, construct two sets of numbers with at least five numbers in each...Problem 86CRE:
For exercises 3.85 through 3.88, construct two sets of numbers with at least five numbers in each...Problem 87CRE:
For exercises 3.85 through 3.88, construct two sets of numbers with at least five numbers in each...Problem 88CRE:
For exercises 3.85 through 3.88, construct two sets of numbers with at least five numbers in each...Problem 89CRE:
Educational Attainment The tables below show the percentage of the population in western and...Problem 90CRE:
Unemployment Rates The tables below show the 2015 unemployment rates for states in the northeastern...Problem 91CRE:
Professional Sports Ticket Prices The following histograms show ticket prices for professional...Problem 92CRE:
Professional Sports Ticket Prices The following histograms show ticket prices for professional...Problem 93CRE:
Exam Scores An exam score has a mean of 80 and a standard deviation of 4. a. Find and interpret in...Problem 94CRE:
Boys’ Heights Three-year-old boys in the United States have a mean height of 38 inches and a...Problem 95CRE:
SAT and ACT Scores Quantitative SAT scores have a mean of 500 and a standard deviation of 100, while...Problem 96CRE:
Children’s Heights Mrs. Diaz has two children: a 3-year-old boy 43 inches tall and a 10-year-old...Problem 98CRE:
Students’ Ages Here are the ages of some students in a statistics class: 17, 19, 35, 18, 18, 20, 27,...Browse All Chapters of This Textbook
Chapter 1 - Introduction To DataChapter 2 - Picturing Variation With GraphsChapter 3 - Numerical Summaries Of Center And VariationChapter 4 - Regression Analysis: Exploring Associations Between VariablesChapter 5 - Modeling Variation With ProbabilityChapter 6 - Modeling Random Events: The Normal And Binomial ModelsChapter 7 - Survey Sampling And InferenceChapter 8 - Hypothesis Testing For Population ProportionsChapter 9 - Inferring Population MeansChapter 10 - Associations Between Categorical Variables
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