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:
GPA Predictors The scatterplots show SAT scores and GPA in college for a sample of students. The top...Problem 2SE:
Salary and Employment The first graph shows the years a person was employed before working at the...Problem 3SE:
Age and Credits The scatterplot below shows data on age of a sample students and the number of...Problem 4SE:
Age and GPA The scatterplot shows data on age and GPA for a sample of college students. Comment on...Problem 5SE:
Credits and GPA (Example 1) The scatterplot shows data on credits attained and GPA for a sample of...Problem 6SE:
Salary and Education The scatterplot shows data on salary and years of education for a sample of...Problem 7SE:
Sisters and Brothers The scatterplot shows the numbers of brothers and sisters for a large number of...Problem 8SE:
House Price and Area Describe the trend in the scatterplot of house price and area for some houses....Problem 9SE:
Work and TV The scatterplot shows the number of work hours and the number of TV hours per week for...Problem 10SE:
Work and Sleep The scatterplot shows the number of hours of work per week and the number of hours of...Problem 11SE:
Age and Sleep The scatterplot shows the age and number of hours of sleep “last night” for some...Problem 12SE:
Height and Weight for Women The figure shows a scatterplot of the heights and weights of some women...Problem 13SE:
College Tuition and ACT a. The first scatterplot shows the college tuition and percentage acceptance...Problem 14SE:
Ages of Women Who Give Birth The figure shows a scatterplot of birthrate (live births per 1000...Problem 15SE:
Law School The scatterplot shows the LSAT (Law School Aptitude Test) scores for a sample of law...Problem 16SE:
Medical School The scatterplot shows the acceptance rate and selectivity index for a sample of...Problem 17SE:
Matching Pick the letter of the graph that goes with each numerical value listed below for the...Problem 18SE:
Matching Pick the letter of the graph that goes with each numerical value listed below for the...Problem 19SE:
Matching Match each of the following correlations with the corresponding graph. 0.87 0.47 0.67 (A)...Problem 20SE:
Matching Match each of the following correlations with the corresponding graph. 0.51 0.98 0.18 (A)...Problem 21SE:
Airline Tickets (Example 2) The distance (in kilometers) and price (in dollars) for one-way airline...Problem 22SE:
Train Tickets The table for part (a) shows distances between selected cities and the cost of a...Problem 23SE:
SAT and GPA In Exercise 4.1 there is a graph of the relationship between SAT score and college GPA....Problem 24SE:
House Price The correlation between house price (in dollars) and area of the house (in square feet)...Problem 25SE:
Rate My Professor Seth Wagerman, a former professor at California Lutheran University, went to the...Problem 26SE:
Cousins Five people were asked how many female first cousins they had and how many male first...Problem 27SE:
GPA and Gym Use USA Today College published an article with the headline “Positive Correlation Found...Problem 28SE:
Education and Life Expectancy United Press International published an article with the headline...Problem 29SE:
Salaries of College Graduates (Example 3) The scatterplot shows the median starting salaries and the...Problem 30SE:
Mother and Daughter Heights The graph shows the heights of mothers and daughters. (Source:...Problem 31SE:
Median Weekly Earning by Gender The scatterplot shows the median weekly earning (by quarter) for men...Problem 32SE:
Home Prices and Size The scatterplot shows the size (in square feet) and selling prices for homes in...Problem 33SE:
Height and Arm Span for Women (Example 4) TI-84 output from a linear model for predicting arm span...Problem 34SE:
Hand and Foot Length for Women The computer output shown below is for predicting foot length from...Problem 35SE:
Height and Arm Span for Men (Example 5) Measurements were made for a sample of adult men. A...Problem 36SE:
Hand Length and Foot Length for Men Measurements were made for a sample of adult men. Assume that...Problem 37SE:
Comparing Correlation for Arm Span and Height The correlation between height and armspan in a sample...Problem 38SE:
Age and Weight for Men and Women The scatterplot shows a solid blue line for predicting weight from...Problem 39SE:
Singles and Doubles Winning Percentage The following graph shows the winning percentages in singles...Problem 40SE:
Seesaw The figure shows a scatterplot of the height of the left seat of a seesaw and the height of...Problem 41SE:
Choosing the Predictor and Response Variables (Example 6) Indicate which variable you think should...Problem 42SE:
Choosing the Predictor and the Response Variable Indicate which variable you think should be the...Problem 43SE:
Percentage of Smoke-Free Homes and Percentage of High School Students Who Smoke (Example 7) The...Problem 44SE:
Effect of Adult Smoking on High School Student Smoking The following figure shows a scatterplot with...Problem 45SE:
Car Insurance and Age The following graph shows the average car insurance premium for a sample of...Problem 46SE:
Life Insurance and Age The graph shows the monthly premiums for a 10-year $250,000 male life...Problem 47SE:
How Is the Time of a Flight Related to the Distance of the Flight? The following table gives the...Problem 48SE:
Distance and Train Ticket Price The following table gives the distance from Boston to each city and...Problem 49SE:
Do States with Higher Populations Have More Millionaires? The following table gives the number of...Problem 50SE:
Movie Ratings The following table give the Rotten Tomatoes and Metacritic scores for the several...Problem 51SE:
Pitchers The table shows the Earned Run Average (ERA) and WHIP rating (walks plus hits per inning)...Problem 52SE:
Text Messages The following table shows the number of text messages sent and received by some people...Problem 53SE:
Answer the questions using complete sentences. a. What is an influential point? How should...Problem 54SE:
Answer the questions using complete sentences. a. An economist noted the correlation between...Problem 55SE:
If there is a positive correlation between number of years studying math and shoe size (for...Problem 56SE:
Suppose that the growth rate of children looks like a straight line if the height of a child is...Problem 57SE:
Coefficient of Determination If the correlation between height and weight of a large group of people...Problem 58SE:
Coefficient of Determination Does a correlation of 0.70 or +0.50 give a larger coefficient of...Problem 59SE:
Investing Some investors use a technique called the “Dogs of the Dow” to invest. They pick several...Problem 60SE:
Blood Pressure Suppose a doctor telephones those patients who are in the highest 10#37; with regard...Problem 61SE:
Salary and Year of Employment (Example 8) The equation for the regression line relating the salary...Problem 62SE:
MPG: Highway and City The following figure shows the relationship between the number of miles per...Problem 63SE:
Cost of Turkeys The following table shows the weights and prices of some turkeys at different...Problem 64SE:
Wine Calories The table shows the calories in a five-ounce serving and the #37; alcohol content for...Problem 65SE:
Teacher Pay and Expenditure Per Student (Example 9) The scatterplot shows the average teacher pay...Problem 66SE:
Teacher Pay and High School Graduation Rates The scatterplot shows the average teacher pay and high...Problem 67SE:
Does Having a Job Affect Students’ Grades? (Example 10) Grades on a political science test and the...Problem 68SE:
Weight of Trash and Household Size Data were collected that included information on the weight of...Problem 69SE:
Predicting Home Runs Data on the number of home runs, strikeouts, and batting averages for a sample...Problem 70SE:
Predicting 3-Point Baskets Data on the 3-point percentage, field-goal percentage, and free-throw...Problem 71SE:
4th-Grade Reading and Math Scores Data from the National Data shown in the table are the 4th-grade...Problem 72SE:
SAT Scores The following table shows the average SAT Math and Critical Reading scores for students...Problem 73SE:
Test Scores Assume that in a political science class, the teacher gives a midterm exam and a final...Problem 74SE:
Test Scores Assume that in a sociology class, the teacher gives a midterm exam and a final exam....Problem 75CRE:
Heights and Weights of People The following table shows the heights and weights of some people. The...Problem 76CRE:
Heights and Weights of Men The table shows the heights (in inches) and weights (in pounds) of 14...Problem 78CRE:
Granola Bars The following table shows the fat content (in grams) and calories for a sample of...Problem 79CRE:
Shoe Size and Height The scatterplot shows the shoe size and height for some men (M) and women (F)....Problem 80CRE:
Age and Sleep The following scatterplot shows the age in years and the number of hours of sleep for...Problem 81CRE:
Age and Weight The following scatterplot shows the age and weight for some women. Some of them...Problem 82CRE:
Heights and Test Scores a. The following figure shows hypothetical data for a group of children. By...Problem 83CRE:
Law School Selectivity and Employment The acceptance rate for a sample of law schools and the...Problem 88CRE:
Fuel-Efficient Cars The following table gives the number of miles per gallon in the city and on the...Problem 89CRE:
Tall Buildings The following scatterplot shows information about the world’s tallest 169 buildings....Problem 91CRE:
For 4.91 through 4.94 show your points in a rough scatterplot and give the coordinates of the...Problem 92CRE:
For 4.91 through 4.94 show your points in a rough scatterplot and give the coordinates of the...Problem 93CRE:
For 4.91 through 4.94 show your points in a rough scatterplot and give the coordinates of the...Problem 94CRE:
For 4.91 through 4.94 show your points in a rough scatterplot and give the coordinates of the...Problem 95CRE:
The following figure shows a scatterplot of the educational level of twins. Describe the...Problem 96CRE:
Wages and Education The figure shows a scatterplot of the wages and educational level of some...Problem 97CRE:
Do Students Taking More Units Study More Hours? The following figure shows the number of units that...Problem 98CRE:
Hours of Exercise and Hours of Homework The following scatterplot shows the number of hours of...Problem 99CRE:
Children’s Ages and Heights The following figure shows information about the ages and heights of...Problem 100CRE:
Blackjack Tips The following figure shows the amount of money won by people playing blackjack and...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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